Home / 136,023.60-187,708.82-75,592.72

Finding the Fourth Proportional to 136,023.60, 187,708.82 and 75,592.72

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Solution

The fourth proportional to 136,023.60, 187,708.82 and 75,592.72 is: 104,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,023.60 : 187,708.82 = 75,592.72 : x
  2. Step 2: Convert to fraction form
    136,023.60/187,708.82 = 75,592.72/x
  3. Step 3: Cross multiply
    136,023.60x = 187,708.82 × 75,592.72
  4. Step 4: Simplify right side
    136,023.60x = 14,189,420,271.79
  5. Step 5: Solve for x
    x = 14,189,420,271.79/136,023.60
  6. Step 6: Final answer
    x = 104,315.87

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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.