Home / 215,569.05-297,477.27-120,073.70

Finding the Fourth Proportional to 215,569.05, 297,477.27 and 120,073.70

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Solution

The fourth proportional to 215,569.05, 297,477.27 and 120,073.70 is: 165,697.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,569.05 : 297,477.27 = 120,073.70 : x
  2. Step 2: Convert to fraction form
    215,569.05/297,477.27 = 120,073.70/x
  3. Step 3: Cross multiply
    215,569.05x = 297,477.27 × 120,073.70
  4. Step 4: Simplify right side
    215,569.05x = 35,719,194,987.41
  5. Step 5: Solve for x
    x = 35,719,194,987.41/215,569.05
  6. Step 6: Final answer
    x = 165,697.23

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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.