Home / 207,614.65-286,508.21-112,121.34

Finding the Fourth Proportional to 207,614.65, 286,508.21 and 112,121.34

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Solution

The fourth proportional to 207,614.65, 286,508.21 and 112,121.34 is: 154,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,614.65 : 286,508.21 = 112,121.34 : x
  2. Step 2: Convert to fraction form
    207,614.65/286,508.21 = 112,121.34/x
  3. Step 3: Cross multiply
    207,614.65x = 286,508.21 × 112,121.34
  4. Step 4: Simplify right side
    207,614.65x = 32,123,683,569.78
  5. Step 5: Solve for x
    x = 32,123,683,569.78/207,614.65
  6. Step 6: Final answer
    x = 154,727.44

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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.