Home / 115,514.80-173,272.20-108,516.40

Finding the Fourth Proportional to 115,514.80, 173,272.20 and 108,516.40

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Solution

The fourth proportional to 115,514.80, 173,272.20 and 108,516.40 is: 162,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,514.80 : 173,272.20 = 108,516.40 : x
  2. Step 2: Convert to fraction form
    115,514.80/173,272.20 = 108,516.40/x
  3. Step 3: Cross multiply
    115,514.80x = 173,272.20 × 108,516.40
  4. Step 4: Simplify right side
    115,514.80x = 18,802,875,364.08
  5. Step 5: Solve for x
    x = 18,802,875,364.08/115,514.80
  6. Step 6: Final answer
    x = 162,774.60

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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.