Home / 125,135.42-187,701.57-30,366.41

Finding the Fourth Proportional to 125,135.42, 187,701.57 and 30,366.41

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Solution

The fourth proportional to 125,135.42, 187,701.57 and 30,366.41 is: 45,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,135.42 : 187,701.57 = 30,366.41 : x
  2. Step 2: Convert to fraction form
    125,135.42/187,701.57 = 30,366.41/x
  3. Step 3: Cross multiply
    125,135.42x = 187,701.57 × 30,366.41
  4. Step 4: Simplify right side
    125,135.42x = 5,699,823,301.52
  5. Step 5: Solve for x
    x = 5,699,823,301.52/125,135.42
  6. Step 6: Final answer
    x = 45,549.24

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1.5x scale

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.