Home / 158,430.60-218,488.08-107,517.24

Finding the Fourth Proportional to 158,430.60, 218,488.08 and 107,517.24

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Solution

The fourth proportional to 158,430.60, 218,488.08 and 107,517.24 is: 148,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,430.60 : 218,488.08 = 107,517.24 : x
  2. Step 2: Convert to fraction form
    158,430.60/218,488.08 = 107,517.24/x
  3. Step 3: Cross multiply
    158,430.60x = 218,488.08 × 107,517.24
  4. Step 4: Simplify right side
    158,430.60x = 23,491,235,334.50
  5. Step 5: Solve for x
    x = 23,491,235,334.50/158,430.60
  6. Step 6: Final answer
    x = 148,274.61

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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.