Home / 99,130.32-148,695.68-69,679.94

Finding the Fourth Proportional to 99,130.32, 148,695.68 and 69,679.94

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Solution

The fourth proportional to 99,130.32, 148,695.68 and 69,679.94 is: 104,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,130.32 : 148,695.68 = 69,679.94 : x
  2. Step 2: Convert to fraction form
    99,130.32/148,695.68 = 69,679.94/x
  3. Step 3: Cross multiply
    99,130.32x = 148,695.68 × 69,679.94
  4. Step 4: Simplify right side
    99,130.32x = 10,361,105,491.38
  5. Step 5: Solve for x
    x = 10,361,105,491.38/99,130.32
  6. Step 6: Final answer
    x = 104,520.04

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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.