Home / 89,155.76-133,777.13-39,229.56

Finding the Fourth Proportional to 89,155.76, 133,777.13 and 39,229.56

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Solution

The fourth proportional to 89,155.76, 133,777.13 and 39,229.56 is: 58,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,155.76 : 133,777.13 = 39,229.56 : x
  2. Step 2: Convert to fraction form
    89,155.76/133,777.13 = 39,229.56/x
  3. Step 3: Cross multiply
    89,155.76x = 133,777.13 × 39,229.56
  4. Step 4: Simplify right side
    89,155.76x = 5,248,017,751.82
  5. Step 5: Solve for x
    x = 5,248,017,751.82/89,155.76
  6. Step 6: Final answer
    x = 58,863.48

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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.