Home / 442,770.06-664,083.80-127,155.18

Finding the Fourth Proportional to 442,770.06, 664,083.80 and 127,155.18

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Solution

The fourth proportional to 442,770.06, 664,083.80 and 127,155.18 is: 190,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,770.06 : 664,083.80 = 127,155.18 : x
  2. Step 2: Convert to fraction form
    442,770.06/664,083.80 = 127,155.18/x
  3. Step 3: Cross multiply
    442,770.06x = 664,083.80 × 127,155.18
  4. Step 4: Simplify right side
    442,770.06x = 84,441,695,124.08
  5. Step 5: Solve for x
    x = 84,441,695,124.08/442,770.06
  6. Step 6: Final answer
    x = 190,712.30

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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.