Home / 103,670.86-155,505.48-28,792.03

Finding the Fourth Proportional to 103,670.86, 155,505.48 and 28,792.03

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Solution

The fourth proportional to 103,670.86, 155,505.48 and 28,792.03 is: 43,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,670.86 : 155,505.48 = 28,792.03 : x
  2. Step 2: Convert to fraction form
    103,670.86/155,505.48 = 28,792.03/x
  3. Step 3: Cross multiply
    103,670.86x = 155,505.48 × 28,792.03
  4. Step 4: Simplify right side
    103,670.86x = 4,477,318,445.32
  5. Step 5: Solve for x
    x = 4,477,318,445.32/103,670.86
  6. Step 6: Final answer
    x = 43,187.82

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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.