Home / 147,112.88-220,702.12-53,618.63

Finding the Fourth Proportional to 147,112.88, 220,702.12 and 53,618.63

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Solution

The fourth proportional to 147,112.88, 220,702.12 and 53,618.63 is: 80,439.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,112.88 : 220,702.12 = 53,618.63 : x
  2. Step 2: Convert to fraction form
    147,112.88/220,702.12 = 53,618.63/x
  3. Step 3: Cross multiply
    147,112.88x = 220,702.12 × 53,618.63
  4. Step 4: Simplify right side
    147,112.88x = 11,833,744,074.94
  5. Step 5: Solve for x
    x = 11,833,744,074.94/147,112.88
  6. Step 6: Final answer
    x = 80,439.89

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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.