Home / 145,255.34-217,883.02-40,082.52

Finding the Fourth Proportional to 145,255.34, 217,883.02 and 40,082.52

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Solution

The fourth proportional to 145,255.34, 217,883.02 and 40,082.52 is: 60,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,255.34 : 217,883.02 = 40,082.52 : x
  2. Step 2: Convert to fraction form
    145,255.34/217,883.02 = 40,082.52/x
  3. Step 3: Cross multiply
    145,255.34x = 217,883.02 × 40,082.52
  4. Step 4: Simplify right side
    145,255.34x = 8,733,300,506.81
  5. Step 5: Solve for x
    x = 8,733,300,506.81/145,255.34
  6. Step 6: Final answer
    x = 60,123.78

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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.