Home / 215,542.74-297,458.10-120,049.40

Finding the Fourth Proportional to 215,542.74, 297,458.10 and 120,049.40

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Solution

The fourth proportional to 215,542.74, 297,458.10 and 120,049.40 is: 165,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,542.74 : 297,458.10 = 120,049.40 : x
  2. Step 2: Convert to fraction form
    215,542.74/297,458.10 = 120,049.40/x
  3. Step 3: Cross multiply
    215,542.74x = 297,458.10 × 120,049.40
  4. Step 4: Simplify right side
    215,542.74x = 35,709,666,430.14
  5. Step 5: Solve for x
    x = 35,709,666,430.14/215,542.74
  6. Step 6: Final answer
    x = 165,673.25

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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.