Home / 103,265.18-154,907.01-40,083.82

Finding the Fourth Proportional to 103,265.18, 154,907.01 and 40,083.82

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Solution

The fourth proportional to 103,265.18, 154,907.01 and 40,083.82 is: 60,129.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,265.18 : 154,907.01 = 40,083.82 : x
  2. Step 2: Convert to fraction form
    103,265.18/154,907.01 = 40,083.82/x
  3. Step 3: Cross multiply
    103,265.18x = 154,907.01 × 40,083.82
  4. Step 4: Simplify right side
    103,265.18x = 6,209,264,705.58
  5. Step 5: Solve for x
    x = 6,209,264,705.58/103,265.18
  6. Step 6: Final answer
    x = 60,129.32

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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.