Home / 89,702.67-134,554.19-84,222.18

Finding the Fourth Proportional to 89,702.67, 134,554.19 and 84,222.18

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Solution

The fourth proportional to 89,702.67, 134,554.19 and 84,222.18 is: 126,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,702.67 : 134,554.19 = 84,222.18 : x
  2. Step 2: Convert to fraction form
    89,702.67/134,554.19 = 84,222.18/x
  3. Step 3: Cross multiply
    89,702.67x = 134,554.19 × 84,222.18
  4. Step 4: Simplify right side
    89,702.67x = 11,332,447,025.70
  5. Step 5: Solve for x
    x = 11,332,447,025.70/89,702.67
  6. Step 6: Final answer
    x = 126,333.45

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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.