Home / 103,244.25-142,527.12-69,240.30

Finding the Fourth Proportional to 103,244.25, 142,527.12 and 69,240.30

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Solution

The fourth proportional to 103,244.25, 142,527.12 and 69,240.30 is: 95,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,244.25 : 142,527.12 = 69,240.30 : x
  2. Step 2: Convert to fraction form
    103,244.25/142,527.12 = 69,240.30/x
  3. Step 3: Cross multiply
    103,244.25x = 142,527.12 × 69,240.30
  4. Step 4: Simplify right side
    103,244.25x = 9,868,620,546.94
  5. Step 5: Solve for x
    x = 9,868,620,546.94/103,244.25
  6. Step 6: Final answer
    x = 95,585.18

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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.