Home / 125,274.32-187,909.86-30,504.68

Finding the Fourth Proportional to 125,274.32, 187,909.86 and 30,504.68

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Solution

The fourth proportional to 125,274.32, 187,909.86 and 30,504.68 is: 45,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,274.32 : 187,909.86 = 30,504.68 : x
  2. Step 2: Convert to fraction form
    125,274.32/187,909.86 = 30,504.68/x
  3. Step 3: Cross multiply
    125,274.32x = 187,909.86 × 30,504.68
  4. Step 4: Simplify right side
    125,274.32x = 5,732,130,148.14
  5. Step 5: Solve for x
    x = 5,732,130,148.14/125,274.32
  6. Step 6: Final answer
    x = 45,756.63

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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.