Home / 89,156.20-133,734.30-39,908.20

Finding the Fourth Proportional to 89,156.20, 133,734.30 and 39,908.20

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Solution

The fourth proportional to 89,156.20, 133,734.30 and 39,908.20 is: 59,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,156.20 : 133,734.30 = 39,908.20 : x
  2. Step 2: Convert to fraction form
    89,156.20/133,734.30 = 39,908.20/x
  3. Step 3: Cross multiply
    89,156.20x = 133,734.30 × 39,908.20
  4. Step 4: Simplify right side
    89,156.20x = 5,337,095,191.26
  5. Step 5: Solve for x
    x = 5,337,095,191.26/89,156.20
  6. Step 6: Final answer
    x = 59,862.30

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1.5x scale

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.