Home / 112,868.68-169,330.92-79,653.64

Finding the Fourth Proportional to 112,868.68, 169,330.92 and 79,653.64

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Solution

The fourth proportional to 112,868.68, 169,330.92 and 79,653.64 is: 119,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,868.68 : 169,330.92 = 79,653.64 : x
  2. Step 2: Convert to fraction form
    112,868.68/169,330.92 = 79,653.64/x
  3. Step 3: Cross multiply
    112,868.68x = 169,330.92 × 79,653.64
  4. Step 4: Simplify right side
    112,868.68x = 13,487,824,142.55
  5. Step 5: Solve for x
    x = 13,487,824,142.55/112,868.68
  6. Step 6: Final answer
    x = 119,500.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.