Home / 250,340.04-345,454.74-137,143.08

Finding the Fourth Proportional to 250,340.04, 345,454.74 and 137,143.08

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Solution

The fourth proportional to 250,340.04, 345,454.74 and 137,143.08 is: 189,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,340.04 : 345,454.74 = 137,143.08 : x
  2. Step 2: Convert to fraction form
    250,340.04/345,454.74 = 137,143.08/x
  3. Step 3: Cross multiply
    250,340.04x = 345,454.74 × 137,143.08
  4. Step 4: Simplify right side
    250,340.04x = 47,376,727,044.20
  5. Step 5: Solve for x
    x = 47,376,727,044.20/250,340.04
  6. Step 6: Final answer
    x = 189,249.50

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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.