Home / 137,224.20-205,965.90-84,736.20

Finding the Fourth Proportional to 137,224.20, 205,965.90 and 84,736.20

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Solution

The fourth proportional to 137,224.20, 205,965.90 and 84,736.20 is: 127,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,224.20 : 205,965.90 = 84,736.20 : x
  2. Step 2: Convert to fraction form
    137,224.20/205,965.90 = 84,736.20/x
  3. Step 3: Cross multiply
    137,224.20x = 205,965.90 × 84,736.20
  4. Step 4: Simplify right side
    137,224.20x = 17,452,767,695.58
  5. Step 5: Solve for x
    x = 17,452,767,695.58/137,224.20
  6. Step 6: Final answer
    x = 127,184.33

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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.