Home / 150,014.64-225,132.69-71,129.16

Finding the Fourth Proportional to 150,014.64, 225,132.69 and 71,129.16

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Solution

The fourth proportional to 150,014.64, 225,132.69 and 71,129.16 is: 106,746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,014.64 : 225,132.69 = 71,129.16 : x
  2. Step 2: Convert to fraction form
    150,014.64/225,132.69 = 71,129.16/x
  3. Step 3: Cross multiply
    150,014.64x = 225,132.69 × 71,129.16
  4. Step 4: Simplify right side
    150,014.64x = 16,013,499,128.24
  5. Step 5: Solve for x
    x = 16,013,499,128.24/150,014.64
  6. Step 6: Final answer
    x = 106,746.24

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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.