Home / 250,238.84-345,326.28-137,061.68

Finding the Fourth Proportional to 250,238.84, 345,326.28 and 137,061.68

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Solution

The fourth proportional to 250,238.84, 345,326.28 and 137,061.68 is: 189,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,238.84 : 345,326.28 = 137,061.68 : x
  2. Step 2: Convert to fraction form
    250,238.84/345,326.28 = 137,061.68/x
  3. Step 3: Cross multiply
    250,238.84x = 345,326.28 × 137,061.68
  4. Step 4: Simplify right side
    250,238.84x = 47,331,000,084.95
  5. Step 5: Solve for x
    x = 47,331,000,084.95/250,238.84
  6. Step 6: Final answer
    x = 189,143.30

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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.