Home / 125,670.79-173,421.30-69,081.76

Finding the Fourth Proportional to 125,670.79, 173,421.30 and 69,081.76

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Solution

The fourth proportional to 125,670.79, 173,421.30 and 69,081.76 is: 95,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,670.79 : 173,421.30 = 69,081.76 : x
  2. Step 2: Convert to fraction form
    125,670.79/173,421.30 = 69,081.76/x
  3. Step 3: Cross multiply
    125,670.79x = 173,421.30 × 69,081.76
  4. Step 4: Simplify right side
    125,670.79x = 11,980,248,625.49
  5. Step 5: Solve for x
    x = 11,980,248,625.49/125,670.79
  6. Step 6: Final answer
    x = 95,330.42

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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.