Home / 187,732.50-259,070.85-112,281

Finding the Fourth Proportional to 187,732.50, 259,070.85 and 112,281

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Solution

The fourth proportional to 187,732.50, 259,070.85 and 112,281 is: 154,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,732.50 : 259,070.85 = 112,281 : x
  2. Step 2: Convert to fraction form
    187,732.50/259,070.85 = 112,281/x
  3. Step 3: Cross multiply
    187,732.50x = 259,070.85 × 112,281
  4. Step 4: Simplify right side
    187,732.50x = 29,088,734,108.85
  5. Step 5: Solve for x
    x = 29,088,734,108.85/187,732.50
  6. Step 6: Final answer
    x = 154,947.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.