Home / 163,613.88-225,651.96-115,376.40

Finding the Fourth Proportional to 163,613.88, 225,651.96 and 115,376.40

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Solution

The fourth proportional to 163,613.88, 225,651.96 and 115,376.40 is: 159,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,613.88 : 225,651.96 = 115,376.40 : x
  2. Step 2: Convert to fraction form
    163,613.88/225,651.96 = 115,376.40/x
  3. Step 3: Cross multiply
    163,613.88x = 225,651.96 × 115,376.40
  4. Step 4: Simplify right side
    163,613.88x = 26,034,910,797.74
  5. Step 5: Solve for x
    x = 26,034,910,797.74/163,613.88
  6. Step 6: Final answer
    x = 159,124.10

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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.