Home / 240,927.11-361,554.13-128,687.94

Finding the Fourth Proportional to 240,927.11, 361,554.13 and 128,687.94

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Solution

The fourth proportional to 240,927.11, 361,554.13 and 128,687.94 is: 193,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,927.11 : 361,554.13 = 128,687.94 : x
  2. Step 2: Convert to fraction form
    240,927.11/361,554.13 = 128,687.94/x
  3. Step 3: Cross multiply
    240,927.11x = 361,554.13 × 128,687.94
  4. Step 4: Simplify right side
    240,927.11x = 46,527,656,349.05
  5. Step 5: Solve for x
    x = 46,527,656,349.05/240,927.11
  6. Step 6: Final answer
    x = 193,119.22

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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.