Home / 121,005.49-181,217.54-67,566.14

Finding the Fourth Proportional to 121,005.49, 181,217.54 and 67,566.14

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Solution

The fourth proportional to 121,005.49, 181,217.54 and 67,566.14 is: 101,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,005.49 : 181,217.54 = 67,566.14 : x
  2. Step 2: Convert to fraction form
    121,005.49/181,217.54 = 67,566.14/x
  3. Step 3: Cross multiply
    121,005.49x = 181,217.54 × 67,566.14
  4. Step 4: Simplify right side
    121,005.49x = 12,244,169,340.26
  5. Step 5: Solve for x
    x = 12,244,169,340.26/121,005.49
  6. Step 6: Final answer
    x = 101,186.90

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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.