Home / 131,428.86-197,238.33-52,565.10

Finding the Fourth Proportional to 131,428.86, 197,238.33 and 52,565.10

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Solution

The fourth proportional to 131,428.86, 197,238.33 and 52,565.10 is: 78,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,428.86 : 197,238.33 = 52,565.10 : x
  2. Step 2: Convert to fraction form
    131,428.86/197,238.33 = 52,565.10/x
  3. Step 3: Cross multiply
    131,428.86x = 197,238.33 × 52,565.10
  4. Step 4: Simplify right side
    131,428.86x = 10,367,852,540.28
  5. Step 5: Solve for x
    x = 10,367,852,540.28/131,428.86
  6. Step 6: Final answer
    x = 78,885.66

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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.