Home / 146,254.20-219,381.30-71,422.35

Finding the Fourth Proportional to 146,254.20, 219,381.30 and 71,422.35

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Solution

The fourth proportional to 146,254.20, 219,381.30 and 71,422.35 is: 107,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,254.20 : 219,381.30 = 71,422.35 : x
  2. Step 2: Convert to fraction form
    146,254.20/219,381.30 = 71,422.35/x
  3. Step 3: Cross multiply
    146,254.20x = 219,381.30 × 71,422.35
  4. Step 4: Simplify right side
    146,254.20x = 15,668,727,992.06
  5. Step 5: Solve for x
    x = 15,668,727,992.06/146,254.20
  6. Step 6: Final answer
    x = 107,133.53

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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.