Home / 109,316.94-163,802.70-82,536.18

Finding the Fourth Proportional to 109,316.94, 163,802.70 and 82,536.18

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Solution

The fourth proportional to 109,316.94, 163,802.70 and 82,536.18 is: 123,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,316.94 : 163,802.70 = 82,536.18 : x
  2. Step 2: Convert to fraction form
    109,316.94/163,802.70 = 82,536.18/x
  3. Step 3: Cross multiply
    109,316.94x = 163,802.70 × 82,536.18
  4. Step 4: Simplify right side
    109,316.94x = 13,519,649,131.69
  5. Step 5: Solve for x
    x = 13,519,649,131.69/109,316.94
  6. Step 6: Final answer
    x = 123,673.87

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1.5x scale

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.