Home / 215,355.08-322,677.16-125,144.56

Finding the Fourth Proportional to 215,355.08, 322,677.16 and 125,144.56

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Solution

The fourth proportional to 215,355.08, 322,677.16 and 125,144.56 is: 187,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,355.08 : 322,677.16 = 125,144.56 : x
  2. Step 2: Convert to fraction form
    215,355.08/322,677.16 = 125,144.56/x
  3. Step 3: Cross multiply
    215,355.08x = 322,677.16 × 125,144.56
  4. Step 4: Simplify right side
    215,355.08x = 40,381,291,210.25
  5. Step 5: Solve for x
    x = 40,381,291,210.25/215,355.08
  6. Step 6: Final answer
    x = 187,510.28

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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.