Home / 135,862.19-187,495.68-75,432.83

Finding the Fourth Proportional to 135,862.19, 187,495.68 and 75,432.83

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Solution

The fourth proportional to 135,862.19, 187,495.68 and 75,432.83 is: 104,100.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,862.19 : 187,495.68 = 75,432.83 : x
  2. Step 2: Convert to fraction form
    135,862.19/187,495.68 = 75,432.83/x
  3. Step 3: Cross multiply
    135,862.19x = 187,495.68 × 75,432.83
  4. Step 4: Simplify right side
    135,862.19x = 14,143,329,378.01
  5. Step 5: Solve for x
    x = 14,143,329,378.01/135,862.19
  6. Step 6: Final answer
    x = 104,100.56

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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.