Home / 125,727.56-173,585.94-78,050.96

Finding the Fourth Proportional to 125,727.56, 173,585.94 and 78,050.96

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Solution

The fourth proportional to 125,727.56, 173,585.94 and 78,050.96 is: 107,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,727.56 : 173,585.94 = 78,050.96 : x
  2. Step 2: Convert to fraction form
    125,727.56/173,585.94 = 78,050.96/x
  3. Step 3: Cross multiply
    125,727.56x = 173,585.94 × 78,050.96
  4. Step 4: Simplify right side
    125,727.56x = 13,548,549,259.50
  5. Step 5: Solve for x
    x = 13,548,549,259.50/125,727.56
  6. Step 6: Final answer
    x = 107,761.17

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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.