Home / 250,261-345,360.36-137,084.20

Finding the Fourth Proportional to 250,261, 345,360.36 and 137,084.20

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Solution

The fourth proportional to 250,261, 345,360.36 and 137,084.20 is: 189,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,261 : 345,360.36 = 137,084.20 : x
  2. Step 2: Convert to fraction form
    250,261/345,360.36 = 137,084.20/x
  3. Step 3: Cross multiply
    250,261x = 345,360.36 × 137,084.20
  4. Step 4: Simplify right side
    250,261x = 47,343,448,662.31
  5. Step 5: Solve for x
    x = 47,343,448,662.31/250,261
  6. Step 6: Final answer
    x = 189,176.29

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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.