Home / 98,162.48-147,266.80-31,600.13

Finding the Fourth Proportional to 98,162.48, 147,266.80 and 31,600.13

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Solution

The fourth proportional to 98,162.48, 147,266.80 and 31,600.13 is: 47,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,162.48 : 147,266.80 = 31,600.13 : x
  2. Step 2: Convert to fraction form
    98,162.48/147,266.80 = 31,600.13/x
  3. Step 3: Cross multiply
    98,162.48x = 147,266.80 × 31,600.13
  4. Step 4: Simplify right side
    98,162.48x = 4,653,649,288.35
  5. Step 5: Solve for x
    x = 4,653,649,288.35/98,162.48
  6. Step 6: Final answer
    x = 47,407.62

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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.