Home / 124,211.20-186,316.80-30,716.95

Finding the Fourth Proportional to 124,211.20, 186,316.80 and 30,716.95

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Solution

The fourth proportional to 124,211.20, 186,316.80 and 30,716.95 is: 46,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,211.20 : 186,316.80 = 30,716.95 : x
  2. Step 2: Convert to fraction form
    124,211.20/186,316.80 = 30,716.95/x
  3. Step 3: Cross multiply
    124,211.20x = 186,316.80 × 30,716.95
  4. Step 4: Simplify right side
    124,211.20x = 5,723,083,829.76
  5. Step 5: Solve for x
    x = 5,723,083,829.76/124,211.20
  6. Step 6: Final answer
    x = 46,075.43

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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.