Home / 125,307.24-187,972.74-45,365.37

Finding the Fourth Proportional to 125,307.24, 187,972.74 and 45,365.37

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Solution

The fourth proportional to 125,307.24, 187,972.74 and 45,365.37 is: 68,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,307.24 : 187,972.74 = 45,365.37 : x
  2. Step 2: Convert to fraction form
    125,307.24/187,972.74 = 45,365.37/x
  3. Step 3: Cross multiply
    125,307.24x = 187,972.74 × 45,365.37
  4. Step 4: Simplify right side
    125,307.24x = 8,527,452,900.01
  5. Step 5: Solve for x
    x = 8,527,452,900.01/125,307.24
  6. Step 6: Final answer
    x = 68,052.36

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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.