Home / 220,731.60-330,838.20-102,152.52

Finding the Fourth Proportional to 220,731.60, 330,838.20 and 102,152.52

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Solution

The fourth proportional to 220,731.60, 330,838.20 and 102,152.52 is: 153,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,731.60 : 330,838.20 = 102,152.52 : x
  2. Step 2: Convert to fraction form
    220,731.60/330,838.20 = 102,152.52/x
  3. Step 3: Cross multiply
    220,731.60x = 330,838.20 × 102,152.52
  4. Step 4: Simplify right side
    220,731.60x = 33,795,955,842.26
  5. Step 5: Solve for x
    x = 33,795,955,842.26/220,731.60
  6. Step 6: Final answer
    x = 153,108.82

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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.