Home / 89,980.20-124,180.02-51,752.13

Finding the Fourth Proportional to 89,980.20, 124,180.02 and 51,752.13

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Solution

The fourth proportional to 89,980.20, 124,180.02 and 51,752.13 is: 71,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,980.20 : 124,180.02 = 51,752.13 : x
  2. Step 2: Convert to fraction form
    89,980.20/124,180.02 = 51,752.13/x
  3. Step 3: Cross multiply
    89,980.20x = 124,180.02 × 51,752.13
  4. Step 4: Simplify right side
    89,980.20x = 6,426,580,538.44
  5. Step 5: Solve for x
    x = 6,426,580,538.44/89,980.20
  6. Step 6: Final answer
    x = 71,422.16

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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.