Home / 125,670.45-173,420.82-69,081.42

Finding the Fourth Proportional to 125,670.45, 173,420.82 and 69,081.42

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Solution

The fourth proportional to 125,670.45, 173,420.82 and 69,081.42 is: 95,329.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,670.45 : 173,420.82 = 69,081.42 : x
  2. Step 2: Convert to fraction form
    125,670.45/173,420.82 = 69,081.42/x
  3. Step 3: Cross multiply
    125,670.45x = 173,420.82 × 69,081.42
  4. Step 4: Simplify right side
    125,670.45x = 11,980,156,111.89
  5. Step 5: Solve for x
    x = 11,980,156,111.89/125,670.45
  6. Step 6: Final answer
    x = 95,329.94

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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.