Home / 159,204.10-219,700.08-87,584.20

Finding the Fourth Proportional to 159,204.10, 219,700.08 and 87,584.20

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Solution

The fourth proportional to 159,204.10, 219,700.08 and 87,584.20 is: 120,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,204.10 : 219,700.08 = 87,584.20 : x
  2. Step 2: Convert to fraction form
    159,204.10/219,700.08 = 87,584.20/x
  3. Step 3: Cross multiply
    159,204.10x = 219,700.08 × 87,584.20
  4. Step 4: Simplify right side
    159,204.10x = 19,242,255,746.74
  5. Step 5: Solve for x
    x = 19,242,255,746.74/159,204.10
  6. Step 6: Final answer
    x = 120,865.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.