Home / 135,900.60-187,545.35-75,476.86

Finding the Fourth Proportional to 135,900.60, 187,545.35 and 75,476.86

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Solution

The fourth proportional to 135,900.60, 187,545.35 and 75,476.86 is: 104,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,900.60 : 187,545.35 = 75,476.86 : x
  2. Step 2: Convert to fraction form
    135,900.60/187,545.35 = 75,476.86/x
  3. Step 3: Cross multiply
    135,900.60x = 187,545.35 × 75,476.86
  4. Step 4: Simplify right side
    135,900.60x = 14,155,334,125.60
  5. Step 5: Solve for x
    x = 14,155,334,125.60/135,900.60
  6. Step 6: Final answer
    x = 104,159.47

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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.