Home / 150,659.28-225,988.92-66,401.46

Finding the Fourth Proportional to 150,659.28, 225,988.92 and 66,401.46

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Solution

The fourth proportional to 150,659.28, 225,988.92 and 66,401.46 is: 99,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,659.28 : 225,988.92 = 66,401.46 : x
  2. Step 2: Convert to fraction form
    150,659.28/225,988.92 = 66,401.46/x
  3. Step 3: Cross multiply
    150,659.28x = 225,988.92 × 66,401.46
  4. Step 4: Simplify right side
    150,659.28x = 15,005,994,231.82
  5. Step 5: Solve for x
    x = 15,005,994,231.82/150,659.28
  6. Step 6: Final answer
    x = 99,602.19

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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.