Home / 131,657.10-197,516.85-42,911.10

Finding the Fourth Proportional to 131,657.10, 197,516.85 and 42,911.10

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Solution

The fourth proportional to 131,657.10, 197,516.85 and 42,911.10 is: 64,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,657.10 : 197,516.85 = 42,911.10 : x
  2. Step 2: Convert to fraction form
    131,657.10/197,516.85 = 42,911.10/x
  3. Step 3: Cross multiply
    131,657.10x = 197,516.85 × 42,911.10
  4. Step 4: Simplify right side
    131,657.10x = 8,475,665,302.04
  5. Step 5: Solve for x
    x = 8,475,665,302.04/131,657.10
  6. Step 6: Final answer
    x = 64,376.82

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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.