Home / 112,700.40-155,508.24-67,397.08

Finding the Fourth Proportional to 112,700.40, 155,508.24 and 67,397.08

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Solution

The fourth proportional to 112,700.40, 155,508.24 and 67,397.08 is: 92,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,700.40 : 155,508.24 = 67,397.08 : x
  2. Step 2: Convert to fraction form
    112,700.40/155,508.24 = 67,397.08/x
  3. Step 3: Cross multiply
    112,700.40x = 155,508.24 × 67,397.08
  4. Step 4: Simplify right side
    112,700.40x = 10,480,801,291.94
  5. Step 5: Solve for x
    x = 10,480,801,291.94/112,700.40
  6. Step 6: Final answer
    x = 92,997.02

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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.