Home / 109,208.48-163,812.60-34,335.17

Finding the Fourth Proportional to 109,208.48, 163,812.60 and 34,335.17

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Solution

The fourth proportional to 109,208.48, 163,812.60 and 34,335.17 is: 51,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,208.48 : 163,812.60 = 34,335.17 : x
  2. Step 2: Convert to fraction form
    109,208.48/163,812.60 = 34,335.17/x
  3. Step 3: Cross multiply
    109,208.48x = 163,812.60 × 34,335.17
  4. Step 4: Simplify right side
    109,208.48x = 5,624,533,469.14
  5. Step 5: Solve for x
    x = 5,624,533,469.14/109,208.48
  6. Step 6: Final answer
    x = 51,502.72

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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.