Home / 131,806.98-197,715.94-38,312.73

Finding the Fourth Proportional to 131,806.98, 197,715.94 and 38,312.73

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Solution

The fourth proportional to 131,806.98, 197,715.94 and 38,312.73 is: 57,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,806.98 : 197,715.94 = 38,312.73 : x
  2. Step 2: Convert to fraction form
    131,806.98/197,715.94 = 38,312.73/x
  3. Step 3: Cross multiply
    131,806.98x = 197,715.94 × 38,312.73
  4. Step 4: Simplify right side
    131,806.98x = 7,575,037,330.13
  5. Step 5: Solve for x
    x = 7,575,037,330.13/131,806.98
  6. Step 6: Final answer
    x = 57,470.68

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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.