Home / 250,281.50-345,385.62-135,557.96

Finding the Fourth Proportional to 250,281.50, 345,385.62 and 135,557.96

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Solution

The fourth proportional to 250,281.50, 345,385.62 and 135,557.96 is: 187,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,281.50 : 345,385.62 = 135,557.96 : x
  2. Step 2: Convert to fraction form
    250,281.50/345,385.62 = 135,557.96/x
  3. Step 3: Cross multiply
    250,281.50x = 345,385.62 × 135,557.96
  4. Step 4: Simplify right side
    250,281.50x = 46,819,768,333.61
  5. Step 5: Solve for x
    x = 46,819,768,333.61/250,281.50
  6. Step 6: Final answer
    x = 187,068.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.