Home / 146,032.20-218,897.10-79,331.40

Finding the Fourth Proportional to 146,032.20, 218,897.10 and 79,331.40

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Solution

The fourth proportional to 146,032.20, 218,897.10 and 79,331.40 is: 118,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,032.20 : 218,897.10 = 79,331.40 : x
  2. Step 2: Convert to fraction form
    146,032.20/218,897.10 = 79,331.40/x
  3. Step 3: Cross multiply
    146,032.20x = 218,897.10 × 79,331.40
  4. Step 4: Simplify right side
    146,032.20x = 17,365,413,398.94
  5. Step 5: Solve for x
    x = 17,365,413,398.94/146,032.20
  6. Step 6: Final answer
    x = 118,914.96

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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.