Home / 103,311.90-154,907.64-40,058.13

Finding the Fourth Proportional to 103,311.90, 154,907.64 and 40,058.13

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Solution

The fourth proportional to 103,311.90, 154,907.64 and 40,058.13 is: 60,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,311.90 : 154,907.64 = 40,058.13 : x
  2. Step 2: Convert to fraction form
    103,311.90/154,907.64 = 40,058.13/x
  3. Step 3: Cross multiply
    103,311.90x = 154,907.64 × 40,058.13
  4. Step 4: Simplify right side
    103,311.90x = 6,205,310,381.11
  5. Step 5: Solve for x
    x = 6,205,310,381.11/103,311.90
  6. Step 6: Final answer
    x = 60,063.85

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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.