Home / 147,901.20-204,107.72-90,539.34

Finding the Fourth Proportional to 147,901.20, 204,107.72 and 90,539.34

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Solution

The fourth proportional to 147,901.20, 204,107.72 and 90,539.34 is: 124,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,901.20 : 204,107.72 = 90,539.34 : x
  2. Step 2: Convert to fraction form
    147,901.20/204,107.72 = 90,539.34/x
  3. Step 3: Cross multiply
    147,901.20x = 204,107.72 × 90,539.34
  4. Step 4: Simplify right side
    147,901.20x = 18,479,778,257.70
  5. Step 5: Solve for x
    x = 18,479,778,257.70/147,901.20
  6. Step 6: Final answer
    x = 124,946.78

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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.