Home / 230,985.38-318,759.82-125,001.38

Finding the Fourth Proportional to 230,985.38, 318,759.82 and 125,001.38

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Solution

The fourth proportional to 230,985.38, 318,759.82 and 125,001.38 is: 172,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,985.38 : 318,759.82 = 125,001.38 : x
  2. Step 2: Convert to fraction form
    230,985.38/318,759.82 = 125,001.38/x
  3. Step 3: Cross multiply
    230,985.38x = 318,759.82 × 125,001.38
  4. Step 4: Simplify right side
    230,985.38x = 39,845,415,482.25
  5. Step 5: Solve for x
    x = 39,845,415,482.25/230,985.38
  6. Step 6: Final answer
    x = 172,501.90

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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.