Home / 250,277.80-345,387.78-137,093.20

Finding the Fourth Proportional to 250,277.80, 345,387.78 and 137,093.20

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Solution

The fourth proportional to 250,277.80, 345,387.78 and 137,093.20 is: 189,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,277.80 : 345,387.78 = 137,093.20 : x
  2. Step 2: Convert to fraction form
    250,277.80/345,387.78 = 137,093.20/x
  3. Step 3: Cross multiply
    250,277.80x = 345,387.78 × 137,093.20
  4. Step 4: Simplify right side
    250,277.80x = 47,350,316,001.10
  5. Step 5: Solve for x
    x = 47,350,316,001.10/250,277.80
  6. Step 6: Final answer
    x = 189,191.03

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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.