Home / 125,743.86-173,529.81-69,156.72

Finding the Fourth Proportional to 125,743.86, 173,529.81 and 69,156.72

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Solution

The fourth proportional to 125,743.86, 173,529.81 and 69,156.72 is: 95,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,743.86 : 173,529.81 = 69,156.72 : x
  2. Step 2: Convert to fraction form
    125,743.86/173,529.81 = 69,156.72/x
  3. Step 3: Cross multiply
    125,743.86x = 173,529.81 × 69,156.72
  4. Step 4: Simplify right side
    125,743.86x = 12,000,752,481.82
  5. Step 5: Solve for x
    x = 12,000,752,481.82/125,743.86
  6. Step 6: Final answer
    x = 95,438.08

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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.