Home / 149,223.18-223,888.25-74,336.65

Finding the Fourth Proportional to 149,223.18, 223,888.25 and 74,336.65

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Solution

The fourth proportional to 149,223.18, 223,888.25 and 74,336.65 is: 111,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,223.18 : 223,888.25 = 74,336.65 : x
  2. Step 2: Convert to fraction form
    149,223.18/223,888.25 = 74,336.65/x
  3. Step 3: Cross multiply
    149,223.18x = 223,888.25 × 74,336.65
  4. Step 4: Simplify right side
    149,223.18x = 16,643,102,479.36
  5. Step 5: Solve for x
    x = 16,643,102,479.36/149,223.18
  6. Step 6: Final answer
    x = 111,531.62

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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.