Home / 137,385.18-207,137.25-136,532.25

Finding the Fourth Proportional to 137,385.18, 207,137.25 and 136,532.25

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Solution

The fourth proportional to 137,385.18, 207,137.25 and 136,532.25 is: 205,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,385.18 : 207,137.25 = 136,532.25 : x
  2. Step 2: Convert to fraction form
    137,385.18/207,137.25 = 136,532.25/x
  3. Step 3: Cross multiply
    137,385.18x = 207,137.25 × 136,532.25
  4. Step 4: Simplify right side
    137,385.18x = 28,280,914,801.31
  5. Step 5: Solve for x
    x = 28,280,914,801.31/137,385.18
  6. Step 6: Final answer
    x = 205,851.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.