Home / 162,765.18-224,610.81-90,165.15

Finding the Fourth Proportional to 162,765.18, 224,610.81 and 90,165.15

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Solution

The fourth proportional to 162,765.18, 224,610.81 and 90,165.15 is: 124,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,765.18 : 224,610.81 = 90,165.15 : x
  2. Step 2: Convert to fraction form
    162,765.18/224,610.81 = 90,165.15/x
  3. Step 3: Cross multiply
    162,765.18x = 224,610.81 × 90,165.15
  4. Step 4: Simplify right side
    162,765.18x = 20,252,067,037.15
  5. Step 5: Solve for x
    x = 20,252,067,037.15/162,765.18
  6. Step 6: Final answer
    x = 124,425.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.