Home / 136,153.55-187,898.85-75,725.38

Finding the Fourth Proportional to 136,153.55, 187,898.85 and 75,725.38

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Solution

The fourth proportional to 136,153.55, 187,898.85 and 75,725.38 is: 104,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,153.55 : 187,898.85 = 75,725.38 : x
  2. Step 2: Convert to fraction form
    136,153.55/187,898.85 = 75,725.38/x
  3. Step 3: Cross multiply
    136,153.55x = 187,898.85 × 75,725.38
  4. Step 4: Simplify right side
    136,153.55x = 14,228,710,499.69
  5. Step 5: Solve for x
    x = 14,228,710,499.69/136,153.55
  6. Step 6: Final answer
    x = 104,504.88

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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.