Home / 104,082.30-156,123.45-102,527.10

Finding the Fourth Proportional to 104,082.30, 156,123.45 and 102,527.10

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Solution

The fourth proportional to 104,082.30, 156,123.45 and 102,527.10 is: 153,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,082.30 : 156,123.45 = 102,527.10 : x
  2. Step 2: Convert to fraction form
    104,082.30/156,123.45 = 102,527.10/x
  3. Step 3: Cross multiply
    104,082.30x = 156,123.45 × 102,527.10
  4. Step 4: Simplify right side
    104,082.30x = 16,006,884,570.50
  5. Step 5: Solve for x
    x = 16,006,884,570.50/104,082.30
  6. Step 6: Final answer
    x = 153,790.65

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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.