Home / 121,505.90-182,258.85-74,266.70

Finding the Fourth Proportional to 121,505.90, 182,258.85 and 74,266.70

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Solution

The fourth proportional to 121,505.90, 182,258.85 and 74,266.70 is: 111,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,505.90 : 182,258.85 = 74,266.70 : x
  2. Step 2: Convert to fraction form
    121,505.90/182,258.85 = 74,266.70/x
  3. Step 3: Cross multiply
    121,505.90x = 182,258.85 × 74,266.70
  4. Step 4: Simplify right side
    121,505.90x = 13,535,763,335.30
  5. Step 5: Solve for x
    x = 13,535,763,335.30/121,505.90
  6. Step 6: Final answer
    x = 111,400.05

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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.