Home / 146,451.36-219,426.30-79,938.18

Finding the Fourth Proportional to 146,451.36, 219,426.30 and 79,938.18

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Solution

The fourth proportional to 146,451.36, 219,426.30 and 79,938.18 is: 119,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,451.36 : 219,426.30 = 79,938.18 : x
  2. Step 2: Convert to fraction form
    146,451.36/219,426.30 = 79,938.18/x
  3. Step 3: Cross multiply
    146,451.36x = 219,426.30 × 79,938.18
  4. Step 4: Simplify right side
    146,451.36x = 17,540,539,066.13
  5. Step 5: Solve for x
    x = 17,540,539,066.13/146,451.36
  6. Step 6: Final answer
    x = 119,770.41

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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.