Home / 178,630.72-267,951.75-89,835.69

Finding the Fourth Proportional to 178,630.72, 267,951.75 and 89,835.69

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Solution

The fourth proportional to 178,630.72, 267,951.75 and 89,835.69 is: 134,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,630.72 : 267,951.75 = 89,835.69 : x
  2. Step 2: Convert to fraction form
    178,630.72/267,951.75 = 89,835.69/x
  3. Step 3: Cross multiply
    178,630.72x = 267,951.75 × 89,835.69
  4. Step 4: Simplify right side
    178,630.72x = 24,071,630,347.96
  5. Step 5: Solve for x
    x = 24,071,630,347.96/178,630.72
  6. Step 6: Final answer
    x = 134,756.39

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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.