Home / 121,546.60-182,319.90-107,112.40

Finding the Fourth Proportional to 121,546.60, 182,319.90 and 107,112.40

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Solution

The fourth proportional to 121,546.60, 182,319.90 and 107,112.40 is: 160,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,546.60 : 182,319.90 = 107,112.40 : x
  2. Step 2: Convert to fraction form
    121,546.60/182,319.90 = 107,112.40/x
  3. Step 3: Cross multiply
    121,546.60x = 182,319.90 × 107,112.40
  4. Step 4: Simplify right side
    121,546.60x = 19,528,722,056.76
  5. Step 5: Solve for x
    x = 19,528,722,056.76/121,546.60
  6. Step 6: Final answer
    x = 160,668.60

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1.5x scale

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.