Home / 89,973.57-124,138.13-54,152.13

Finding the Fourth Proportional to 89,973.57, 124,138.13 and 54,152.13

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Solution

The fourth proportional to 89,973.57, 124,138.13 and 54,152.13 is: 74,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,973.57 : 124,138.13 = 54,152.13 : x
  2. Step 2: Convert to fraction form
    89,973.57/124,138.13 = 54,152.13/x
  3. Step 3: Cross multiply
    89,973.57x = 124,138.13 × 54,152.13
  4. Step 4: Simplify right side
    89,973.57x = 6,722,343,882.96
  5. Step 5: Solve for x
    x = 6,722,343,882.96/89,973.57
  6. Step 6: Final answer
    x = 74,714.65

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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.