Home / 125,720.60-173,494.42-69,131.96

Finding the Fourth Proportional to 125,720.60, 173,494.42 and 69,131.96

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Solution

The fourth proportional to 125,720.60, 173,494.42 and 69,131.96 is: 95,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,720.60 : 173,494.42 = 69,131.96 : x
  2. Step 2: Convert to fraction form
    125,720.60/173,494.42 = 69,131.96/x
  3. Step 3: Cross multiply
    125,720.60x = 173,494.42 × 69,131.96
  4. Step 4: Simplify right side
    125,720.60x = 11,994,009,303.66
  5. Step 5: Solve for x
    x = 11,994,009,303.66/125,720.60
  6. Step 6: Final answer
    x = 95,402.10

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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.