Home / 150,258.31-207,354.49-85,725.88

Finding the Fourth Proportional to 150,258.31, 207,354.49 and 85,725.88

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Solution

The fourth proportional to 150,258.31, 207,354.49 and 85,725.88 is: 118,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,258.31 : 207,354.49 = 85,725.88 : x
  2. Step 2: Convert to fraction form
    150,258.31/207,354.49 = 85,725.88/x
  3. Step 3: Cross multiply
    150,258.31x = 207,354.49 × 85,725.88
  4. Step 4: Simplify right side
    150,258.31x = 17,775,645,394.50
  5. Step 5: Solve for x
    x = 17,775,645,394.50/150,258.31
  6. Step 6: Final answer
    x = 118,300.58

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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.