Home / 215,694.18-297,534.24-134,981.55

Finding the Fourth Proportional to 215,694.18, 297,534.24 and 134,981.55

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Solution

The fourth proportional to 215,694.18, 297,534.24 and 134,981.55 is: 186,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,694.18 : 297,534.24 = 134,981.55 : x
  2. Step 2: Convert to fraction form
    215,694.18/297,534.24 = 134,981.55/x
  3. Step 3: Cross multiply
    215,694.18x = 297,534.24 × 134,981.55
  4. Step 4: Simplify right side
    215,694.18x = 40,161,632,893.27
  5. Step 5: Solve for x
    x = 40,161,632,893.27/215,694.18
  6. Step 6: Final answer
    x = 186,197.11

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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.