Home / 215,715.15-323,572.73-141,065.55

Finding the Fourth Proportional to 215,715.15, 323,572.73 and 141,065.55

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Solution

The fourth proportional to 215,715.15, 323,572.73 and 141,065.55 is: 211,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,715.15 : 323,572.73 = 141,065.55 : x
  2. Step 2: Convert to fraction form
    215,715.15/323,572.73 = 141,065.55/x
  3. Step 3: Cross multiply
    215,715.15x = 323,572.73 × 141,065.55
  4. Step 4: Simplify right side
    215,715.15x = 45,644,964,417.12
  5. Step 5: Solve for x
    x = 45,644,964,417.12/215,715.15
  6. Step 6: Final answer
    x = 211,598.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.