Home / 101,520.72-152,277.30-26,640.18

Finding the Fourth Proportional to 101,520.72, 152,277.30 and 26,640.18

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Solution

The fourth proportional to 101,520.72, 152,277.30 and 26,640.18 is: 39,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,520.72 : 152,277.30 = 26,640.18 : x
  2. Step 2: Convert to fraction form
    101,520.72/152,277.30 = 26,640.18/x
  3. Step 3: Cross multiply
    101,520.72x = 152,277.30 × 26,640.18
  4. Step 4: Simplify right side
    101,520.72x = 4,056,694,681.91
  5. Step 5: Solve for x
    x = 4,056,694,681.91/101,520.72
  6. Step 6: Final answer
    x = 39,959.28

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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.