Home / 97,689.20-146,582.40-55,601.60

Finding the Fourth Proportional to 97,689.20, 146,582.40 and 55,601.60

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Solution

The fourth proportional to 97,689.20, 146,582.40 and 55,601.60 is: 83,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,689.20 : 146,582.40 = 55,601.60 : x
  2. Step 2: Convert to fraction form
    97,689.20/146,582.40 = 55,601.60/x
  3. Step 3: Cross multiply
    97,689.20x = 146,582.40 × 55,601.60
  4. Step 4: Simplify right side
    97,689.20x = 8,150,215,971.84
  5. Step 5: Solve for x
    x = 8,150,215,971.84/97,689.20
  6. Step 6: Final answer
    x = 83,430.06

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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.