Home / 154,032.56-231,075.12-68,674.39

Finding the Fourth Proportional to 154,032.56, 231,075.12 and 68,674.39

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Solution

The fourth proportional to 154,032.56, 231,075.12 and 68,674.39 is: 103,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,032.56 : 231,075.12 = 68,674.39 : x
  2. Step 2: Convert to fraction form
    154,032.56/231,075.12 = 68,674.39/x
  3. Step 3: Cross multiply
    154,032.56x = 231,075.12 × 68,674.39
  4. Step 4: Simplify right side
    154,032.56x = 15,868,943,503.52
  5. Step 5: Solve for x
    x = 15,868,943,503.52/154,032.56
  6. Step 6: Final answer
    x = 103,023.30

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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.