Home / 109,246.72-163,864.32-53,824

Finding the Fourth Proportional to 109,246.72, 163,864.32 and 53,824

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Solution

The fourth proportional to 109,246.72, 163,864.32 and 53,824 is: 80,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,246.72 : 163,864.32 = 53,824 : x
  2. Step 2: Convert to fraction form
    109,246.72/163,864.32 = 53,824/x
  3. Step 3: Cross multiply
    109,246.72x = 163,864.32 × 53,824
  4. Step 4: Simplify right side
    109,246.72x = 8,819,833,159.68
  5. Step 5: Solve for x
    x = 8,819,833,159.68/109,246.72
  6. Step 6: Final answer
    x = 80,733.16

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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.