Home / 207,614.60-286,508.14-112,121.29

Finding the Fourth Proportional to 207,614.60, 286,508.14 and 112,121.29

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Solution

The fourth proportional to 207,614.60, 286,508.14 and 112,121.29 is: 154,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,614.60 : 286,508.14 = 112,121.29 : x
  2. Step 2: Convert to fraction form
    207,614.60/286,508.14 = 112,121.29/x
  3. Step 3: Cross multiply
    207,614.60x = 286,508.14 × 112,121.29
  4. Step 4: Simplify right side
    207,614.60x = 32,123,662,252.30
  5. Step 5: Solve for x
    x = 32,123,662,252.30/207,614.60
  6. Step 6: Final answer
    x = 154,727.38

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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.