Home / 125,277.45-187,927.10-31,783.20

Finding the Fourth Proportional to 125,277.45, 187,927.10 and 31,783.20

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Solution

The fourth proportional to 125,277.45, 187,927.10 and 31,783.20 is: 47,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,277.45 : 187,927.10 = 31,783.20 : x
  2. Step 2: Convert to fraction form
    125,277.45/187,927.10 = 31,783.20/x
  3. Step 3: Cross multiply
    125,277.45x = 187,927.10 × 31,783.20
  4. Step 4: Simplify right side
    125,277.45x = 5,972,924,604.72
  5. Step 5: Solve for x
    x = 5,972,924,604.72/125,277.45
  6. Step 6: Final answer
    x = 47,677.57

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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.