Home / 89,294.20-133,941.30-69,587.50

Finding the Fourth Proportional to 89,294.20, 133,941.30 and 69,587.50

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Solution

The fourth proportional to 89,294.20, 133,941.30 and 69,587.50 is: 104,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,294.20 : 133,941.30 = 69,587.50 : x
  2. Step 2: Convert to fraction form
    89,294.20/133,941.30 = 69,587.50/x
  3. Step 3: Cross multiply
    89,294.20x = 133,941.30 × 69,587.50
  4. Step 4: Simplify right side
    89,294.20x = 9,320,640,213.75
  5. Step 5: Solve for x
    x = 9,320,640,213.75/89,294.20
  6. Step 6: Final answer
    x = 104,381.25

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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.