Home / 147,449.51-203,474.35-90,184.73

Finding the Fourth Proportional to 147,449.51, 203,474.35 and 90,184.73

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Solution

The fourth proportional to 147,449.51, 203,474.35 and 90,184.73 is: 124,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,449.51 : 203,474.35 = 90,184.73 : x
  2. Step 2: Convert to fraction form
    147,449.51/203,474.35 = 90,184.73/x
  3. Step 3: Cross multiply
    147,449.51x = 203,474.35 × 90,184.73
  4. Step 4: Simplify right side
    147,449.51x = 18,350,279,599.90
  5. Step 5: Solve for x
    x = 18,350,279,599.90/147,449.51
  6. Step 6: Final answer
    x = 124,451.28

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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.