Home / 125,089.72-187,595.39-40,830.68

Finding the Fourth Proportional to 125,089.72, 187,595.39 and 40,830.68

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Solution

The fourth proportional to 125,089.72, 187,595.39 and 40,830.68 is: 61,233.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,089.72 : 187,595.39 = 40,830.68 : x
  2. Step 2: Convert to fraction form
    125,089.72/187,595.39 = 40,830.68/x
  3. Step 3: Cross multiply
    125,089.72x = 187,595.39 × 40,830.68
  4. Step 4: Simplify right side
    125,089.72x = 7,659,647,909.63
  5. Step 5: Solve for x
    x = 7,659,647,909.63/125,089.72
  6. Step 6: Final answer
    x = 61,233.23

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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.