Home / 135,708.14-187,280.24-75,276.82

Finding the Fourth Proportional to 135,708.14, 187,280.24 and 75,276.82

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Solution

The fourth proportional to 135,708.14, 187,280.24 and 75,276.82 is: 103,883.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,708.14 : 187,280.24 = 75,276.82 : x
  2. Step 2: Convert to fraction form
    135,708.14/187,280.24 = 75,276.82/x
  3. Step 3: Cross multiply
    135,708.14x = 187,280.24 × 75,276.82
  4. Step 4: Simplify right side
    135,708.14x = 14,097,860,916.04
  5. Step 5: Solve for x
    x = 14,097,860,916.04/135,708.14
  6. Step 6: Final answer
    x = 103,883.68

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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.