Home / 103,637.73-155,538.60-40,488.10

Finding the Fourth Proportional to 103,637.73, 155,538.60 and 40,488.10

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Solution

The fourth proportional to 103,637.73, 155,538.60 and 40,488.10 is: 60,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637.73 : 155,538.60 = 40,488.10 : x
  2. Step 2: Convert to fraction form
    103,637.73/155,538.60 = 40,488.10/x
  3. Step 3: Cross multiply
    103,637.73x = 155,538.60 × 40,488.10
  4. Step 4: Simplify right side
    103,637.73x = 6,297,462,390.66
  5. Step 5: Solve for x
    x = 6,297,462,390.66/103,637.73
  6. Step 6: Final answer
    x = 60,764.19

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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.