Home / 102,259.23-153,150.77-98,712.18

Finding the Fourth Proportional to 102,259.23, 153,150.77 and 98,712.18

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Solution

The fourth proportional to 102,259.23, 153,150.77 and 98,712.18 is: 147,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,259.23 : 153,150.77 = 98,712.18 : x
  2. Step 2: Convert to fraction form
    102,259.23/153,150.77 = 98,712.18/x
  3. Step 3: Cross multiply
    102,259.23x = 153,150.77 × 98,712.18
  4. Step 4: Simplify right side
    102,259.23x = 15,117,845,881.82
  5. Step 5: Solve for x
    x = 15,117,845,881.82/102,259.23
  6. Step 6: Final answer
    x = 147,838.45

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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.