Home / 125,529.28-173,144.43-80,187.13

Finding the Fourth Proportional to 125,529.28, 173,144.43 and 80,187.13

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Solution

The fourth proportional to 125,529.28, 173,144.43 and 80,187.13 is: 110,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,529.28 : 173,144.43 = 80,187.13 : x
  2. Step 2: Convert to fraction form
    125,529.28/173,144.43 = 80,187.13/x
  3. Step 3: Cross multiply
    125,529.28x = 173,144.43 × 80,187.13
  4. Step 4: Simplify right side
    125,529.28x = 13,883,955,133.62
  5. Step 5: Solve for x
    x = 13,883,955,133.62/125,529.28
  6. Step 6: Final answer
    x = 110,603.32

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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.