Home / 142,244.30-196,289.25-88,527.62

Finding the Fourth Proportional to 142,244.30, 196,289.25 and 88,527.62

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Solution

The fourth proportional to 142,244.30, 196,289.25 and 88,527.62 is: 122,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,244.30 : 196,289.25 = 88,527.62 : x
  2. Step 2: Convert to fraction form
    142,244.30/196,289.25 = 88,527.62/x
  3. Step 3: Cross multiply
    142,244.30x = 196,289.25 × 88,527.62
  4. Step 4: Simplify right side
    142,244.30x = 17,377,020,134.09
  5. Step 5: Solve for x
    x = 17,377,020,134.09/142,244.30
  6. Step 6: Final answer
    x = 122,163.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.