Home / 127,732.90-191,451.51-60,307.69

Finding the Fourth Proportional to 127,732.90, 191,451.51 and 60,307.69

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Solution

The fourth proportional to 127,732.90, 191,451.51 and 60,307.69 is: 90,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,732.90 : 191,451.51 = 60,307.69 : x
  2. Step 2: Convert to fraction form
    127,732.90/191,451.51 = 60,307.69/x
  3. Step 3: Cross multiply
    127,732.90x = 191,451.51 × 60,307.69
  4. Step 4: Simplify right side
    127,732.90x = 11,545,998,315.11
  5. Step 5: Solve for x
    x = 11,545,998,315.11/127,732.90
  6. Step 6: Final answer
    x = 90,391.73

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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.