Home / 125,904.42-173,748.75-69,315.78

Finding the Fourth Proportional to 125,904.42, 173,748.75 and 69,315.78

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Solution

The fourth proportional to 125,904.42, 173,748.75 and 69,315.78 is: 95,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,904.42 : 173,748.75 = 69,315.78 : x
  2. Step 2: Convert to fraction form
    125,904.42/173,748.75 = 69,315.78/x
  3. Step 3: Cross multiply
    125,904.42x = 173,748.75 × 69,315.78
  4. Step 4: Simplify right side
    125,904.42x = 12,043,530,130.28
  5. Step 5: Solve for x
    x = 12,043,530,130.28/125,904.42
  6. Step 6: Final answer
    x = 95,656.13

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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.