Home / 155,111.59-232,864.26-131,885.65

Finding the Fourth Proportional to 155,111.59, 232,864.26 and 131,885.65

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Solution

The fourth proportional to 155,111.59, 232,864.26 and 131,885.65 is: 197,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,111.59 : 232,864.26 = 131,885.65 : x
  2. Step 2: Convert to fraction form
    155,111.59/232,864.26 = 131,885.65/x
  3. Step 3: Cross multiply
    155,111.59x = 232,864.26 × 131,885.65
  4. Step 4: Simplify right side
    155,111.59x = 30,711,454,291.87
  5. Step 5: Solve for x
    x = 30,711,454,291.87/155,111.59
  6. Step 6: Final answer
    x = 197,995.87

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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.