Home / 154,281.20-231,455.64-65,610.56

Finding the Fourth Proportional to 154,281.20, 231,455.64 and 65,610.56

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Solution

The fourth proportional to 154,281.20, 231,455.64 and 65,610.56 is: 98,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,281.20 : 231,455.64 = 65,610.56 : x
  2. Step 2: Convert to fraction form
    154,281.20/231,455.64 = 65,610.56/x
  3. Step 3: Cross multiply
    154,281.20x = 231,455.64 × 65,610.56
  4. Step 4: Simplify right side
    154,281.20x = 15,185,934,155.56
  5. Step 5: Solve for x
    x = 15,185,934,155.56/154,281.20
  6. Step 6: Final answer
    x = 98,430.23

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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.