Home / 89,325.44-134,013.60-72,841.40

Finding the Fourth Proportional to 89,325.44, 134,013.60 and 72,841.40

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Solution

The fourth proportional to 89,325.44, 134,013.60 and 72,841.40 is: 109,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,325.44 : 134,013.60 = 72,841.40 : x
  2. Step 2: Convert to fraction form
    89,325.44/134,013.60 = 72,841.40/x
  3. Step 3: Cross multiply
    89,325.44x = 134,013.60 × 72,841.40
  4. Step 4: Simplify right side
    89,325.44x = 9,761,738,243.04
  5. Step 5: Solve for x
    x = 9,761,738,243.04/89,325.44
  6. Step 6: Final answer
    x = 109,282.85

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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.