Home / 131,447.90-197,128.65-48,331.10

Finding the Fourth Proportional to 131,447.90, 197,128.65 and 48,331.10

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Solution

The fourth proportional to 131,447.90, 197,128.65 and 48,331.10 is: 72,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,447.90 : 197,128.65 = 48,331.10 : x
  2. Step 2: Convert to fraction form
    131,447.90/197,128.65 = 48,331.10/x
  3. Step 3: Cross multiply
    131,447.90x = 197,128.65 × 48,331.10
  4. Step 4: Simplify right side
    131,447.90x = 9,527,444,496.02
  5. Step 5: Solve for x
    x = 9,527,444,496.02/131,447.90
  6. Step 6: Final answer
    x = 72,480.77

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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.