Home / 110,842.11-166,329.41-40,728.51

Finding the Fourth Proportional to 110,842.11, 166,329.41 and 40,728.51

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Solution

The fourth proportional to 110,842.11, 166,329.41 and 40,728.51 is: 61,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,842.11 : 166,329.41 = 40,728.51 : x
  2. Step 2: Convert to fraction form
    110,842.11/166,329.41 = 40,728.51/x
  3. Step 3: Cross multiply
    110,842.11x = 166,329.41 × 40,728.51
  4. Step 4: Simplify right side
    110,842.11x = 6,774,348,834.84
  5. Step 5: Solve for x
    x = 6,774,348,834.84/110,842.11
  6. Step 6: Final answer
    x = 61,117.10

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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.