Home / 89,549.10-134,280.54-52,117.56

Finding the Fourth Proportional to 89,549.10, 134,280.54 and 52,117.56

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Solution

The fourth proportional to 89,549.10, 134,280.54 and 52,117.56 is: 78,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,549.10 : 134,280.54 = 52,117.56 : x
  2. Step 2: Convert to fraction form
    89,549.10/134,280.54 = 52,117.56/x
  3. Step 3: Cross multiply
    89,549.10x = 134,280.54 × 52,117.56
  4. Step 4: Simplify right side
    89,549.10x = 6,998,374,100.28
  5. Step 5: Solve for x
    x = 6,998,374,100.28/89,549.10
  6. Step 6: Final answer
    x = 78,151.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.