Home / 250,236.72-345,326.76-137,061.36

Finding the Fourth Proportional to 250,236.72, 345,326.76 and 137,061.36

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Solution

The fourth proportional to 250,236.72, 345,326.76 and 137,061.36 is: 189,144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,236.72 : 345,326.76 = 137,061.36 : x
  2. Step 2: Convert to fraction form
    250,236.72/345,326.76 = 137,061.36/x
  3. Step 3: Cross multiply
    250,236.72x = 345,326.76 × 137,061.36
  4. Step 4: Simplify right side
    250,236.72x = 47,330,955,369.99
  5. Step 5: Solve for x
    x = 47,330,955,369.99/250,236.72
  6. Step 6: Final answer
    x = 189,144.72

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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.