Home / 90,870.13-136,363.50-44,097.49

Finding the Fourth Proportional to 90,870.13, 136,363.50 and 44,097.49

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Solution

The fourth proportional to 90,870.13, 136,363.50 and 44,097.49 is: 66,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,870.13 : 136,363.50 = 44,097.49 : x
  2. Step 2: Convert to fraction form
    90,870.13/136,363.50 = 44,097.49/x
  3. Step 3: Cross multiply
    90,870.13x = 136,363.50 × 44,097.49
  4. Step 4: Simplify right side
    90,870.13x = 6,013,288,077.62
  5. Step 5: Solve for x
    x = 6,013,288,077.62/90,870.13
  6. Step 6: Final answer
    x = 66,174.53

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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.