Home / 109,125.17-163,687.29-30,239.18

Finding the Fourth Proportional to 109,125.17, 163,687.29 and 30,239.18

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Solution

The fourth proportional to 109,125.17, 163,687.29 and 30,239.18 is: 45,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,125.17 : 163,687.29 = 30,239.18 : x
  2. Step 2: Convert to fraction form
    109,125.17/163,687.29 = 30,239.18/x
  3. Step 3: Cross multiply
    109,125.17x = 163,687.29 × 30,239.18
  4. Step 4: Simplify right side
    109,125.17x = 4,949,769,426.02
  5. Step 5: Solve for x
    x = 4,949,769,426.02/109,125.17
  6. Step 6: Final answer
    x = 45,358.64

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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.