Home / 115,237.90-172,787.73-45,033.58

Finding the Fourth Proportional to 115,237.90, 172,787.73 and 45,033.58

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Solution

The fourth proportional to 115,237.90, 172,787.73 and 45,033.58 is: 67,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,237.90 : 172,787.73 = 45,033.58 : x
  2. Step 2: Convert to fraction form
    115,237.90/172,787.73 = 45,033.58/x
  3. Step 3: Cross multiply
    115,237.90x = 172,787.73 × 45,033.58
  4. Step 4: Simplify right side
    115,237.90x = 7,781,250,061.97
  5. Step 5: Solve for x
    x = 7,781,250,061.97/115,237.90
  6. Step 6: Final answer
    x = 67,523.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.