Home / 205,950.04-284,207.07-115,306.18

Finding the Fourth Proportional to 205,950.04, 284,207.07 and 115,306.18

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Solution

The fourth proportional to 205,950.04, 284,207.07 and 115,306.18 is: 159,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,950.04 : 284,207.07 = 115,306.18 : x
  2. Step 2: Convert to fraction form
    205,950.04/284,207.07 = 115,306.18/x
  3. Step 3: Cross multiply
    205,950.04x = 284,207.07 × 115,306.18
  4. Step 4: Simplify right side
    205,950.04x = 32,770,831,570.69
  5. Step 5: Solve for x
    x = 32,770,831,570.69/205,950.04
  6. Step 6: Final answer
    x = 159,120.30

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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.