Home / 131,461.80-197,050.50-52,489.20

Finding the Fourth Proportional to 131,461.80, 197,050.50 and 52,489.20

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Solution

The fourth proportional to 131,461.80, 197,050.50 and 52,489.20 is: 78,677.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,461.80 : 197,050.50 = 52,489.20 : x
  2. Step 2: Convert to fraction form
    131,461.80/197,050.50 = 52,489.20/x
  3. Step 3: Cross multiply
    131,461.80x = 197,050.50 × 52,489.20
  4. Step 4: Simplify right side
    131,461.80x = 10,343,023,104.60
  5. Step 5: Solve for x
    x = 10,343,023,104.60/131,461.80
  6. Step 6: Final answer
    x = 78,677.02

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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.