Home / 127,434.72-191,158.08-38,700.96

Finding the Fourth Proportional to 127,434.72, 191,158.08 and 38,700.96

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Solution

The fourth proportional to 127,434.72, 191,158.08 and 38,700.96 is: 58,053.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,434.72 : 191,158.08 = 38,700.96 : x
  2. Step 2: Convert to fraction form
    127,434.72/191,158.08 = 38,700.96/x
  3. Step 3: Cross multiply
    127,434.72x = 191,158.08 × 38,700.96
  4. Step 4: Simplify right side
    127,434.72x = 7,398,001,207.76
  5. Step 5: Solve for x
    x = 7,398,001,207.76/127,434.72
  6. Step 6: Final answer
    x = 58,053.26

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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.