Home / 250,263.79-345,364.17-137,088.43

Finding the Fourth Proportional to 250,263.79, 345,364.17 and 137,088.43

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Solution

The fourth proportional to 250,263.79, 345,364.17 and 137,088.43 is: 189,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,263.79 : 345,364.17 = 137,088.43 : x
  2. Step 2: Convert to fraction form
    250,263.79/345,364.17 = 137,088.43/x
  3. Step 3: Cross multiply
    250,263.79x = 345,364.17 × 137,088.43
  4. Step 4: Simplify right side
    250,263.79x = 47,345,431,843.55
  5. Step 5: Solve for x
    x = 47,345,431,843.55/250,263.79
  6. Step 6: Final answer
    x = 189,182.11

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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.