Home / 147,077.62-220,572.60-53,561.50

Finding the Fourth Proportional to 147,077.62, 220,572.60 and 53,561.50

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Solution

The fourth proportional to 147,077.62, 220,572.60 and 53,561.50 is: 80,326.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,077.62 : 220,572.60 = 53,561.50 : x
  2. Step 2: Convert to fraction form
    147,077.62/220,572.60 = 53,561.50/x
  3. Step 3: Cross multiply
    147,077.62x = 220,572.60 × 53,561.50
  4. Step 4: Simplify right side
    147,077.62x = 11,814,199,314.90
  5. Step 5: Solve for x
    x = 11,814,199,314.90/147,077.62
  6. Step 6: Final answer
    x = 80,326.29

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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.