Home / 89,302.91-133,861.19-30,118.23

Finding the Fourth Proportional to 89,302.91, 133,861.19 and 30,118.23

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Solution

The fourth proportional to 89,302.91, 133,861.19 and 30,118.23 is: 45,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,302.91 : 133,861.19 = 30,118.23 : x
  2. Step 2: Convert to fraction form
    89,302.91/133,861.19 = 30,118.23/x
  3. Step 3: Cross multiply
    89,302.91x = 133,861.19 × 30,118.23
  4. Step 4: Simplify right side
    89,302.91x = 4,031,661,957.90
  5. Step 5: Solve for x
    x = 4,031,661,957.90/89,302.91
  6. Step 6: Final answer
    x = 45,145.92

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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.