Home / 149,320.80-223,754.40-109,689.12

Finding the Fourth Proportional to 149,320.80, 223,754.40 and 109,689.12

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Solution

The fourth proportional to 149,320.80, 223,754.40 and 109,689.12 is: 164,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,320.80 : 223,754.40 = 109,689.12 : x
  2. Step 2: Convert to fraction form
    149,320.80/223,754.40 = 109,689.12/x
  3. Step 3: Cross multiply
    149,320.80x = 223,754.40 × 109,689.12
  4. Step 4: Simplify right side
    149,320.80x = 24,543,423,232.13
  5. Step 5: Solve for x
    x = 24,543,423,232.13/149,320.80
  6. Step 6: Final answer
    x = 164,367.08

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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.