Home / 125,250.35-187,835.42-40,987.67

Finding the Fourth Proportional to 125,250.35, 187,835.42 and 40,987.67

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Solution

The fourth proportional to 125,250.35, 187,835.42 and 40,987.67 is: 61,468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,250.35 : 187,835.42 = 40,987.67 : x
  2. Step 2: Convert to fraction form
    125,250.35/187,835.42 = 40,987.67/x
  3. Step 3: Cross multiply
    125,250.35x = 187,835.42 × 40,987.67
  4. Step 4: Simplify right side
    125,250.35x = 7,698,935,372.56
  5. Step 5: Solve for x
    x = 7,698,935,372.56/125,250.35
  6. Step 6: Final answer
    x = 61,468.38

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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.