Home / 98,663.47-147,994.29-42,543.23

Finding the Fourth Proportional to 98,663.47, 147,994.29 and 42,543.23

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Solution

The fourth proportional to 98,663.47, 147,994.29 and 42,543.23 is: 63,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,663.47 : 147,994.29 = 42,543.23 : x
  2. Step 2: Convert to fraction form
    98,663.47/147,994.29 = 42,543.23/x
  3. Step 3: Cross multiply
    98,663.47x = 147,994.29 × 42,543.23
  4. Step 4: Simplify right side
    98,663.47x = 6,296,154,378.19
  5. Step 5: Solve for x
    x = 6,296,154,378.19/98,663.47
  6. Step 6: Final answer
    x = 63,814.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.