Home / 148,786.74-223,098.10-77,531.55

Finding the Fourth Proportional to 148,786.74, 223,098.10 and 77,531.55

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Solution

The fourth proportional to 148,786.74, 223,098.10 and 77,531.55 is: 116,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,786.74 : 223,098.10 = 77,531.55 : x
  2. Step 2: Convert to fraction form
    148,786.74/223,098.10 = 77,531.55/x
  3. Step 3: Cross multiply
    148,786.74x = 223,098.10 × 77,531.55
  4. Step 4: Simplify right side
    148,786.74x = 17,297,140,464.61
  5. Step 5: Solve for x
    x = 17,297,140,464.61/148,786.74
  6. Step 6: Final answer
    x = 116,254.58

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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.