Home / 155,496.06-214,585.46-87,514.38

Finding the Fourth Proportional to 155,496.06, 214,585.46 and 87,514.38

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Solution

The fourth proportional to 155,496.06, 214,585.46 and 87,514.38 is: 120,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,496.06 : 214,585.46 = 87,514.38 : x
  2. Step 2: Convert to fraction form
    155,496.06/214,585.46 = 87,514.38/x
  3. Step 3: Cross multiply
    155,496.06x = 214,585.46 × 87,514.38
  4. Step 4: Simplify right side
    155,496.06x = 18,779,313,488.91
  5. Step 5: Solve for x
    x = 18,779,313,488.91/155,496.06
  6. Step 6: Final answer
    x = 120,770.35

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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.