Home / 178,319.80-267,358.50-84,835

Finding the Fourth Proportional to 178,319.80, 267,358.50 and 84,835

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Solution

The fourth proportional to 178,319.80, 267,358.50 and 84,835 is: 127,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,319.80 : 267,358.50 = 84,835 : x
  2. Step 2: Convert to fraction form
    178,319.80/267,358.50 = 84,835/x
  3. Step 3: Cross multiply
    178,319.80x = 267,358.50 × 84,835
  4. Step 4: Simplify right side
    178,319.80x = 22,681,358,347.50
  5. Step 5: Solve for x
    x = 22,681,358,347.50/178,319.80
  6. Step 6: Final answer
    x = 127,194.84

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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.