Home / 149,947.20-224,920.80-99,864.90

Finding the Fourth Proportional to 149,947.20, 224,920.80 and 99,864.90

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Solution

The fourth proportional to 149,947.20, 224,920.80 and 99,864.90 is: 149,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,947.20 : 224,920.80 = 99,864.90 : x
  2. Step 2: Convert to fraction form
    149,947.20/224,920.80 = 99,864.90/x
  3. Step 3: Cross multiply
    149,947.20x = 224,920.80 × 99,864.90
  4. Step 4: Simplify right side
    149,947.20x = 22,461,693,199.92
  5. Step 5: Solve for x
    x = 22,461,693,199.92/149,947.20
  6. Step 6: Final answer
    x = 149,797.35

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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.