Home / 125,219.88-173,032.62-91,169.28

Finding the Fourth Proportional to 125,219.88, 173,032.62 and 91,169.28

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Solution

The fourth proportional to 125,219.88, 173,032.62 and 91,169.28 is: 125,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,219.88 : 173,032.62 = 91,169.28 : x
  2. Step 2: Convert to fraction form
    125,219.88/173,032.62 = 91,169.28/x
  3. Step 3: Cross multiply
    125,219.88x = 173,032.62 × 91,169.28
  4. Step 4: Simplify right side
    125,219.88x = 15,775,259,381.91
  5. Step 5: Solve for x
    x = 15,775,259,381.91/125,219.88
  6. Step 6: Final answer
    x = 125,980.47

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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.