Home / 168,750.12-253,585.02-89,920.68

Finding the Fourth Proportional to 168,750.12, 253,585.02 and 89,920.68

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Solution

The fourth proportional to 168,750.12, 253,585.02 and 89,920.68 is: 135,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,750.12 : 253,585.02 = 89,920.68 : x
  2. Step 2: Convert to fraction form
    168,750.12/253,585.02 = 89,920.68/x
  3. Step 3: Cross multiply
    168,750.12x = 253,585.02 × 89,920.68
  4. Step 4: Simplify right side
    168,750.12x = 22,802,537,436.21
  5. Step 5: Solve for x
    x = 22,802,537,436.21/168,750.12
  6. Step 6: Final answer
    x = 135,126.05

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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.