Home / 215,402.33-297,295.07-124,758.27

Finding the Fourth Proportional to 215,402.33, 297,295.07 and 124,758.27

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Solution

The fourth proportional to 215,402.33, 297,295.07 and 124,758.27 is: 172,189.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,402.33 : 297,295.07 = 124,758.27 : x
  2. Step 2: Convert to fraction form
    215,402.33/297,295.07 = 124,758.27/x
  3. Step 3: Cross multiply
    215,402.33x = 297,295.07 × 124,758.27
  4. Step 4: Simplify right side
    215,402.33x = 37,090,017,809.77
  5. Step 5: Solve for x
    x = 37,090,017,809.77/215,402.33
  6. Step 6: Final answer
    x = 172,189.49

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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.