Home / 109,711.90-164,567.85-101,158.30

Finding the Fourth Proportional to 109,711.90, 164,567.85 and 101,158.30

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Solution

The fourth proportional to 109,711.90, 164,567.85 and 101,158.30 is: 151,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,711.90 : 164,567.85 = 101,158.30 : x
  2. Step 2: Convert to fraction form
    109,711.90/164,567.85 = 101,158.30/x
  3. Step 3: Cross multiply
    109,711.90x = 164,567.85 × 101,158.30
  4. Step 4: Simplify right side
    109,711.90x = 16,647,403,940.66
  5. Step 5: Solve for x
    x = 16,647,403,940.66/109,711.90
  6. Step 6: Final answer
    x = 151,737.45

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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.