Home / 125,328.54-187,989.98-30,559.22

Finding the Fourth Proportional to 125,328.54, 187,989.98 and 30,559.22

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Solution

The fourth proportional to 125,328.54, 187,989.98 and 30,559.22 is: 45,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,328.54 : 187,989.98 = 30,559.22 : x
  2. Step 2: Convert to fraction form
    125,328.54/187,989.98 = 30,559.22/x
  3. Step 3: Cross multiply
    125,328.54x = 187,989.98 × 30,559.22
  4. Step 4: Simplify right side
    125,328.54x = 5,744,826,063.87
  5. Step 5: Solve for x
    x = 5,744,826,063.87/125,328.54
  6. Step 6: Final answer
    x = 45,838.13

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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.