Home / 131,747.31-197,657.75-52,916.90

Finding the Fourth Proportional to 131,747.31, 197,657.75 and 52,916.90

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Solution

The fourth proportional to 131,747.31, 197,657.75 and 52,916.90 is: 79,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,747.31 : 197,657.75 = 52,916.90 : x
  2. Step 2: Convert to fraction form
    131,747.31/197,657.75 = 52,916.90/x
  3. Step 3: Cross multiply
    131,747.31x = 197,657.75 × 52,916.90
  4. Step 4: Simplify right side
    131,747.31x = 10,459,434,534.98
  5. Step 5: Solve for x
    x = 10,459,434,534.98/131,747.31
  6. Step 6: Final answer
    x = 79,390.12

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1.5x scale

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.