Home / 108,077.64-149,146.58-62,766.76

Finding the Fourth Proportional to 108,077.64, 149,146.58 and 62,766.76

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Solution

The fourth proportional to 108,077.64, 149,146.58 and 62,766.76 is: 86,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,077.64 : 149,146.58 = 62,766.76 : x
  2. Step 2: Convert to fraction form
    108,077.64/149,146.58 = 62,766.76/x
  3. Step 3: Cross multiply
    108,077.64x = 149,146.58 × 62,766.76
  4. Step 4: Simplify right side
    108,077.64x = 9,361,447,591.68
  5. Step 5: Solve for x
    x = 9,361,447,591.68/108,077.64
  6. Step 6: Final answer
    x = 86,617.80

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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.