Home / 131,870.56-197,838.24-38,377.12

Finding the Fourth Proportional to 131,870.56, 197,838.24 and 38,377.12

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Solution

The fourth proportional to 131,870.56, 197,838.24 and 38,377.12 is: 57,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,870.56 : 197,838.24 = 38,377.12 : x
  2. Step 2: Convert to fraction form
    131,870.56/197,838.24 = 38,377.12/x
  3. Step 3: Cross multiply
    131,870.56x = 197,838.24 × 38,377.12
  4. Step 4: Simplify right side
    131,870.56x = 7,592,461,877.07
  5. Step 5: Solve for x
    x = 7,592,461,877.07/131,870.56
  6. Step 6: Final answer
    x = 57,575.11

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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.