Home / 104,964.40-157,446.60-99,278.20

Finding the Fourth Proportional to 104,964.40, 157,446.60 and 99,278.20

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Solution

The fourth proportional to 104,964.40, 157,446.60 and 99,278.20 is: 148,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,964.40 : 157,446.60 = 99,278.20 : x
  2. Step 2: Convert to fraction form
    104,964.40/157,446.60 = 99,278.20/x
  3. Step 3: Cross multiply
    104,964.40x = 157,446.60 × 99,278.20
  4. Step 4: Simplify right side
    104,964.40x = 15,631,015,044.12
  5. Step 5: Solve for x
    x = 15,631,015,044.12/104,964.40
  6. Step 6: Final answer
    x = 148,917.30

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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.