Home / 134,254.85-185,268.66-72,999.71

Finding the Fourth Proportional to 134,254.85, 185,268.66 and 72,999.71

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Solution

The fourth proportional to 134,254.85, 185,268.66 and 72,999.71 is: 100,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,254.85 : 185,268.66 = 72,999.71 : x
  2. Step 2: Convert to fraction form
    134,254.85/185,268.66 = 72,999.71/x
  3. Step 3: Cross multiply
    134,254.85x = 185,268.66 × 72,999.71
  4. Step 4: Simplify right side
    134,254.85x = 13,524,557,525.75
  5. Step 5: Solve for x
    x = 13,524,557,525.75/134,254.85
  6. Step 6: Final answer
    x = 100,737.95

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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.