Home / 125,853.22-173,678.67-69,265.90

Finding the Fourth Proportional to 125,853.22, 173,678.67 and 69,265.90

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Solution

The fourth proportional to 125,853.22, 173,678.67 and 69,265.90 is: 95,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,853.22 : 173,678.67 = 69,265.90 : x
  2. Step 2: Convert to fraction form
    125,853.22/173,678.67 = 69,265.90/x
  3. Step 3: Cross multiply
    125,853.22x = 173,678.67 × 69,265.90
  4. Step 4: Simplify right side
    125,853.22x = 12,030,009,388.35
  5. Step 5: Solve for x
    x = 12,030,009,388.35/125,853.22
  6. Step 6: Final answer
    x = 95,587.62

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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.