Home / 96,928.40-145,169.04-84,117.44

Finding the Fourth Proportional to 96,928.40, 145,169.04 and 84,117.44

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Solution

The fourth proportional to 96,928.40, 145,169.04 and 84,117.44 is: 125,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,928.40 : 145,169.04 = 84,117.44 : x
  2. Step 2: Convert to fraction form
    96,928.40/145,169.04 = 84,117.44/x
  3. Step 3: Cross multiply
    96,928.40x = 145,169.04 × 84,117.44
  4. Step 4: Simplify right side
    96,928.40x = 12,211,248,012.06
  5. Step 5: Solve for x
    x = 12,211,248,012.06/96,928.40
  6. Step 6: Final answer
    x = 125,982.15

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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.