Home / 97,724.80-146,911.20-84,894.40

Finding the Fourth Proportional to 97,724.80, 146,911.20 and 84,894.40

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Solution

The fourth proportional to 97,724.80, 146,911.20 and 84,894.40 is: 127,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,724.80 : 146,911.20 = 84,894.40 : x
  2. Step 2: Convert to fraction form
    97,724.80/146,911.20 = 84,894.40/x
  3. Step 3: Cross multiply
    97,724.80x = 146,911.20 × 84,894.40
  4. Step 4: Simplify right side
    97,724.80x = 12,471,938,177.28
  5. Step 5: Solve for x
    x = 12,471,938,177.28/97,724.80
  6. Step 6: Final answer
    x = 127,623.06

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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.