Home / 137,544.12-189,893.70-89,877.24

Finding the Fourth Proportional to 137,544.12, 189,893.70 and 89,877.24

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Solution

The fourth proportional to 137,544.12, 189,893.70 and 89,877.24 is: 124,084.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,544.12 : 189,893.70 = 89,877.24 : x
  2. Step 2: Convert to fraction form
    137,544.12/189,893.70 = 89,877.24/x
  3. Step 3: Cross multiply
    137,544.12x = 189,893.70 × 89,877.24
  4. Step 4: Simplify right side
    137,544.12x = 17,067,121,649.39
  5. Step 5: Solve for x
    x = 17,067,121,649.39/137,544.12
  6. Step 6: Final answer
    x = 124,084.71

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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.