Home / 103,954.33-155,948.32-40,740.17

Finding the Fourth Proportional to 103,954.33, 155,948.32 and 40,740.17

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Solution

The fourth proportional to 103,954.33, 155,948.32 and 40,740.17 is: 61,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,954.33 : 155,948.32 = 40,740.17 : x
  2. Step 2: Convert to fraction form
    103,954.33/155,948.32 = 40,740.17/x
  3. Step 3: Cross multiply
    103,954.33x = 155,948.32 × 40,740.17
  4. Step 4: Simplify right side
    103,954.33x = 6,353,361,356.03
  5. Step 5: Solve for x
    x = 6,353,361,356.03/103,954.33
  6. Step 6: Final answer
    x = 61,116.85

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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.