Home / 109,756.72-164,635.08-26,650.16

Finding the Fourth Proportional to 109,756.72, 164,635.08 and 26,650.16

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Solution

The fourth proportional to 109,756.72, 164,635.08 and 26,650.16 is: 39,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,756.72 : 164,635.08 = 26,650.16 : x
  2. Step 2: Convert to fraction form
    109,756.72/164,635.08 = 26,650.16/x
  3. Step 3: Cross multiply
    109,756.72x = 164,635.08 × 26,650.16
  4. Step 4: Simplify right side
    109,756.72x = 4,387,551,223.61
  5. Step 5: Solve for x
    x = 4,387,551,223.61/109,756.72
  6. Step 6: Final answer
    x = 39,975.24

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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.