Home / 103,080.02-142,248.02-60,641.28

Finding the Fourth Proportional to 103,080.02, 142,248.02 and 60,641.28

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Solution

The fourth proportional to 103,080.02, 142,248.02 and 60,641.28 is: 83,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,080.02 : 142,248.02 = 60,641.28 : x
  2. Step 2: Convert to fraction form
    103,080.02/142,248.02 = 60,641.28/x
  3. Step 3: Cross multiply
    103,080.02x = 142,248.02 × 60,641.28
  4. Step 4: Simplify right side
    103,080.02x = 8,626,101,707.06
  5. Step 5: Solve for x
    x = 8,626,101,707.06/103,080.02
  6. Step 6: Final answer
    x = 83,683.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.