Home / 146,909.13-220,426.04-80,271.41

Finding the Fourth Proportional to 146,909.13, 220,426.04 and 80,271.41

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Solution

The fourth proportional to 146,909.13, 220,426.04 and 80,271.41 is: 120,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,909.13 : 220,426.04 = 80,271.41 : x
  2. Step 2: Convert to fraction form
    146,909.13/220,426.04 = 80,271.41/x
  3. Step 3: Cross multiply
    146,909.13x = 220,426.04 × 80,271.41
  4. Step 4: Simplify right side
    146,909.13x = 17,693,908,681.13
  5. Step 5: Solve for x
    x = 17,693,908,681.13/146,909.13
  6. Step 6: Final answer
    x = 120,441.18

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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.