Home / 136,029.28-187,717.84-75,599.20

Finding the Fourth Proportional to 136,029.28, 187,717.84 and 75,599.20

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Solution

The fourth proportional to 136,029.28, 187,717.84 and 75,599.20 is: 104,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,029.28 : 187,717.84 = 75,599.20 : x
  2. Step 2: Convert to fraction form
    136,029.28/187,717.84 = 75,599.20/x
  3. Step 3: Cross multiply
    136,029.28x = 187,717.84 × 75,599.20
  4. Step 4: Simplify right side
    136,029.28x = 14,191,318,529.73
  5. Step 5: Solve for x
    x = 14,191,318,529.73/136,029.28
  6. Step 6: Final answer
    x = 104,325.47

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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.