Home / 87,224.16-120,385.05-51,412.08

Finding the Fourth Proportional to 87,224.16, 120,385.05 and 51,412.08

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Solution

The fourth proportional to 87,224.16, 120,385.05 and 51,412.08 is: 70,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,224.16 : 120,385.05 = 51,412.08 : x
  2. Step 2: Convert to fraction form
    87,224.16/120,385.05 = 51,412.08/x
  3. Step 3: Cross multiply
    87,224.16x = 120,385.05 × 51,412.08
  4. Step 4: Simplify right side
    87,224.16x = 6,189,245,821.40
  5. Step 5: Solve for x
    x = 6,189,245,821.40/87,224.16
  6. Step 6: Final answer
    x = 70,957.93

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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.