Home / 658,639.76-987,962.06-160,003.76

Finding the Fourth Proportional to 658,639.76, 987,962.06 and 160,003.76

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Solution

The fourth proportional to 658,639.76, 987,962.06 and 160,003.76 is: 240,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,639.76 : 987,962.06 = 160,003.76 : x
  2. Step 2: Convert to fraction form
    658,639.76/987,962.06 = 160,003.76/x
  3. Step 3: Cross multiply
    658,639.76x = 987,962.06 × 160,003.76
  4. Step 4: Simplify right side
    658,639.76x = 158,077,644,337.35
  5. Step 5: Solve for x
    x = 158,077,644,337.35/658,639.76
  6. Step 6: Final answer
    x = 240,006.23

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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.