Home / 115,488.06-172,164.55-113,668.15

Finding the Fourth Proportional to 115,488.06, 172,164.55 and 113,668.15

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Solution

The fourth proportional to 115,488.06, 172,164.55 and 113,668.15 is: 169,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,488.06 : 172,164.55 = 113,668.15 : x
  2. Step 2: Convert to fraction form
    115,488.06/172,164.55 = 113,668.15/x
  3. Step 3: Cross multiply
    115,488.06x = 172,164.55 × 113,668.15
  4. Step 4: Simplify right side
    115,488.06x = 19,569,625,894.08
  5. Step 5: Solve for x
    x = 19,569,625,894.08/115,488.06
  6. Step 6: Final answer
    x = 169,451.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.