Home / 215,900.92-297,947.10-120,397.36

Finding the Fourth Proportional to 215,900.92, 297,947.10 and 120,397.36

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Solution

The fourth proportional to 215,900.92, 297,947.10 and 120,397.36 is: 166,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,900.92 : 297,947.10 = 120,397.36 : x
  2. Step 2: Convert to fraction form
    215,900.92/297,947.10 = 120,397.36/x
  3. Step 3: Cross multiply
    215,900.92x = 297,947.10 × 120,397.36
  4. Step 4: Simplify right side
    215,900.92x = 35,872,044,259.66
  5. Step 5: Solve for x
    x = 35,872,044,259.66/215,900.92
  6. Step 6: Final answer
    x = 166,150.49

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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.