Home / 150,293.12-225,416.36-66,034.72

Finding the Fourth Proportional to 150,293.12, 225,416.36 and 66,034.72

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Solution

The fourth proportional to 150,293.12, 225,416.36 and 66,034.72 is: 99,041.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,293.12 : 225,416.36 = 66,034.72 : x
  2. Step 2: Convert to fraction form
    150,293.12/225,416.36 = 66,034.72/x
  3. Step 3: Cross multiply
    150,293.12x = 225,416.36 × 66,034.72
  4. Step 4: Simplify right side
    150,293.12x = 14,885,306,216.02
  5. Step 5: Solve for x
    x = 14,885,306,216.02/150,293.12
  6. Step 6: Final answer
    x = 99,041.83

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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.