Home / 173,326.90-260,014.65-68,121.40

Finding the Fourth Proportional to 173,326.90, 260,014.65 and 68,121.40

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Solution

The fourth proportional to 173,326.90, 260,014.65 and 68,121.40 is: 102,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,326.90 : 260,014.65 = 68,121.40 : x
  2. Step 2: Convert to fraction form
    173,326.90/260,014.65 = 68,121.40/x
  3. Step 3: Cross multiply
    173,326.90x = 260,014.65 × 68,121.40
  4. Step 4: Simplify right side
    173,326.90x = 17,712,561,978.51
  5. Step 5: Solve for x
    x = 17,712,561,978.51/173,326.90
  6. Step 6: Final answer
    x = 102,191.65

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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.