Home / 221,036.18-331,618.95-71,273.43

Finding the Fourth Proportional to 221,036.18, 331,618.95 and 71,273.43

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Solution

The fourth proportional to 221,036.18, 331,618.95 and 71,273.43 is: 106,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,036.18 : 331,618.95 = 71,273.43 : x
  2. Step 2: Convert to fraction form
    221,036.18/331,618.95 = 71,273.43/x
  3. Step 3: Cross multiply
    221,036.18x = 331,618.95 × 71,273.43
  4. Step 4: Simplify right side
    221,036.18x = 23,635,620,019.50
  5. Step 5: Solve for x
    x = 23,635,620,019.50/221,036.18
  6. Step 6: Final answer
    x = 106,931.00

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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.