Home / 156,170.48-215,514.99-84,550.50

Finding the Fourth Proportional to 156,170.48, 215,514.99 and 84,550.50

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Solution

The fourth proportional to 156,170.48, 215,514.99 and 84,550.50 is: 116,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,170.48 : 215,514.99 = 84,550.50 : x
  2. Step 2: Convert to fraction form
    156,170.48/215,514.99 = 84,550.50/x
  3. Step 3: Cross multiply
    156,170.48x = 215,514.99 × 84,550.50
  4. Step 4: Simplify right side
    156,170.48x = 18,221,900,162.00
  5. Step 5: Solve for x
    x = 18,221,900,162.00/156,170.48
  6. Step 6: Final answer
    x = 116,679.55

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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.