Home / 215,520.93-297,373.38-124,871.37

Finding the Fourth Proportional to 215,520.93, 297,373.38 and 124,871.37

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Solution

The fourth proportional to 215,520.93, 297,373.38 and 124,871.37 is: 172,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,520.93 : 297,373.38 = 124,871.37 : x
  2. Step 2: Convert to fraction form
    215,520.93/297,373.38 = 124,871.37/x
  3. Step 3: Cross multiply
    215,520.93x = 297,373.38 × 124,871.37
  4. Step 4: Simplify right side
    215,520.93x = 37,133,421,451.44
  5. Step 5: Solve for x
    x = 37,133,421,451.44/215,520.93
  6. Step 6: Final answer
    x = 172,296.13

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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.