Home / 109,364.90-164,047.35-108,673.70

Finding the Fourth Proportional to 109,364.90, 164,047.35 and 108,673.70

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Solution

The fourth proportional to 109,364.90, 164,047.35 and 108,673.70 is: 163,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,364.90 : 164,047.35 = 108,673.70 : x
  2. Step 2: Convert to fraction form
    109,364.90/164,047.35 = 108,673.70/x
  3. Step 3: Cross multiply
    109,364.90x = 164,047.35 × 108,673.70
  4. Step 4: Simplify right side
    109,364.90x = 17,827,632,499.70
  5. Step 5: Solve for x
    x = 17,827,632,499.70/109,364.90
  6. Step 6: Final answer
    x = 163,010.55

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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.