Home / 103,774.22-155,565.60-40,637.34

Finding the Fourth Proportional to 103,774.22, 155,565.60 and 40,637.34

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Solution

The fourth proportional to 103,774.22, 155,565.60 and 40,637.34 is: 60,918.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,774.22 : 155,565.60 = 40,637.34 : x
  2. Step 2: Convert to fraction form
    103,774.22/155,565.60 = 40,637.34/x
  3. Step 3: Cross multiply
    103,774.22x = 155,565.60 × 40,637.34
  4. Step 4: Simplify right side
    103,774.22x = 6,321,772,179.50
  5. Step 5: Solve for x
    x = 6,321,772,179.50/103,774.22
  6. Step 6: Final answer
    x = 60,918.52

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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.