Home / 374,516.82-561,658.59-125,140.50

Finding the Fourth Proportional to 374,516.82, 561,658.59 and 125,140.50

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Solution

The fourth proportional to 374,516.82, 561,658.59 and 125,140.50 is: 187,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,516.82 : 561,658.59 = 125,140.50 : x
  2. Step 2: Convert to fraction form
    374,516.82/561,658.59 = 125,140.50/x
  3. Step 3: Cross multiply
    374,516.82x = 561,658.59 × 125,140.50
  4. Step 4: Simplify right side
    374,516.82x = 70,286,236,781.90
  5. Step 5: Solve for x
    x = 70,286,236,781.90/374,516.82
  6. Step 6: Final answer
    x = 187,671.78

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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.