Home / 215,417.88-323,274.42-75,176.46

Finding the Fourth Proportional to 215,417.88, 323,274.42 and 75,176.46

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Solution

The fourth proportional to 215,417.88, 323,274.42 and 75,176.46 is: 112,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,417.88 : 323,274.42 = 75,176.46 : x
  2. Step 2: Convert to fraction form
    215,417.88/323,274.42 = 75,176.46/x
  3. Step 3: Cross multiply
    215,417.88x = 323,274.42 × 75,176.46
  4. Step 4: Simplify right side
    215,417.88x = 24,302,626,504.15
  5. Step 5: Solve for x
    x = 24,302,626,504.15/215,417.88
  6. Step 6: Final answer
    x = 112,816.20

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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.