Home / 102,432.02-141,356.75-57,112.83

Finding the Fourth Proportional to 102,432.02, 141,356.75 and 57,112.83

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Solution

The fourth proportional to 102,432.02, 141,356.75 and 57,112.83 is: 78,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,432.02 : 141,356.75 = 57,112.83 : x
  2. Step 2: Convert to fraction form
    102,432.02/141,356.75 = 57,112.83/x
  3. Step 3: Cross multiply
    102,432.02x = 141,356.75 × 57,112.83
  4. Step 4: Simplify right side
    102,432.02x = 8,073,283,746.54
  5. Step 5: Solve for x
    x = 8,073,283,746.54/102,432.02
  6. Step 6: Final answer
    x = 78,816.02

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1.5x scale

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.