Home / 133,931.32-200,904.18-40,434.64

Finding the Fourth Proportional to 133,931.32, 200,904.18 and 40,434.64

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Solution

The fourth proportional to 133,931.32, 200,904.18 and 40,434.64 is: 60,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,931.32 : 200,904.18 = 40,434.64 : x
  2. Step 2: Convert to fraction form
    133,931.32/200,904.18 = 40,434.64/x
  3. Step 3: Cross multiply
    133,931.32x = 200,904.18 × 40,434.64
  4. Step 4: Simplify right side
    133,931.32x = 8,123,488,192.80
  5. Step 5: Solve for x
    x = 8,123,488,192.80/133,931.32
  6. Step 6: Final answer
    x = 60,654.13

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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.