Home / 131,402.88-197,122.14-42,627.42

Finding the Fourth Proportional to 131,402.88, 197,122.14 and 42,627.42

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Solution

The fourth proportional to 131,402.88, 197,122.14 and 42,627.42 is: 63,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,402.88 : 197,122.14 = 42,627.42 : x
  2. Step 2: Convert to fraction form
    131,402.88/197,122.14 = 42,627.42/x
  3. Step 3: Cross multiply
    131,402.88x = 197,122.14 × 42,627.42
  4. Step 4: Simplify right side
    131,402.88x = 8,402,808,253.08
  5. Step 5: Solve for x
    x = 8,402,808,253.08/131,402.88
  6. Step 6: Final answer
    x = 63,946.91

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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.