Home / 125,176.86-187,763.18-30,407.80

Finding the Fourth Proportional to 125,176.86, 187,763.18 and 30,407.80

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Solution

The fourth proportional to 125,176.86, 187,763.18 and 30,407.80 is: 45,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,176.86 : 187,763.18 = 30,407.80 : x
  2. Step 2: Convert to fraction form
    125,176.86/187,763.18 = 30,407.80/x
  3. Step 3: Cross multiply
    125,176.86x = 187,763.18 × 30,407.80
  4. Step 4: Simplify right side
    125,176.86x = 5,709,465,224.80
  5. Step 5: Solve for x
    x = 5,709,465,224.80/125,176.86
  6. Step 6: Final answer
    x = 45,611.19

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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.