Home / 125,095.22-187,662.27-42,008.66

Finding the Fourth Proportional to 125,095.22, 187,662.27 and 42,008.66

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Solution

The fourth proportional to 125,095.22, 187,662.27 and 42,008.66 is: 63,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,095.22 : 187,662.27 = 42,008.66 : x
  2. Step 2: Convert to fraction form
    125,095.22/187,662.27 = 42,008.66/x
  3. Step 3: Cross multiply
    125,095.22x = 187,662.27 × 42,008.66
  4. Step 4: Simplify right side
    125,095.22x = 7,883,439,556.95
  5. Step 5: Solve for x
    x = 7,883,439,556.95/125,095.22
  6. Step 6: Final answer
    x = 63,019.51

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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.