Home / 206,849.31-285,482.93-126,323.16

Finding the Fourth Proportional to 206,849.31, 285,482.93 and 126,323.16

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Solution

The fourth proportional to 206,849.31, 285,482.93 and 126,323.16 is: 174,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,849.31 : 285,482.93 = 126,323.16 : x
  2. Step 2: Convert to fraction form
    206,849.31/285,482.93 = 126,323.16/x
  3. Step 3: Cross multiply
    206,849.31x = 285,482.93 × 126,323.16
  4. Step 4: Simplify right side
    206,849.31x = 36,063,105,212.04
  5. Step 5: Solve for x
    x = 36,063,105,212.04/206,849.31
  6. Step 6: Final answer
    x = 174,344.82

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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.