Home / 112,861.27-155,717.04-88,913.62

Finding the Fourth Proportional to 112,861.27, 155,717.04 and 88,913.62

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Solution

The fourth proportional to 112,861.27, 155,717.04 and 88,913.62 is: 122,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,861.27 : 155,717.04 = 88,913.62 : x
  2. Step 2: Convert to fraction form
    112,861.27/155,717.04 = 88,913.62/x
  3. Step 3: Cross multiply
    112,861.27x = 155,717.04 × 88,913.62
  4. Step 4: Simplify right side
    112,861.27x = 13,845,365,722.08
  5. Step 5: Solve for x
    x = 13,845,365,722.08/112,861.27
  6. Step 6: Final answer
    x = 122,675.97

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1.5x scale

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.