Home / 131,699.92-197,568.90-42,931.48

Finding the Fourth Proportional to 131,699.92, 197,568.90 and 42,931.48

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Solution

The fourth proportional to 131,699.92, 197,568.90 and 42,931.48 is: 64,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,699.92 : 197,568.90 = 42,931.48 : x
  2. Step 2: Convert to fraction form
    131,699.92/197,568.90 = 42,931.48/x
  3. Step 3: Cross multiply
    131,699.92x = 197,568.90 × 42,931.48
  4. Step 4: Simplify right side
    131,699.92x = 8,481,925,278.97
  5. Step 5: Solve for x
    x = 8,481,925,278.97/131,699.92
  6. Step 6: Final answer
    x = 64,403.42

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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.