Home / 103,970.70-155,965.87-29,090.86

Finding the Fourth Proportional to 103,970.70, 155,965.87 and 29,090.86

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Solution

The fourth proportional to 103,970.70, 155,965.87 and 29,090.86 is: 43,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,970.70 : 155,965.87 = 29,090.86 : x
  2. Step 2: Convert to fraction form
    103,970.70/155,965.87 = 29,090.86/x
  3. Step 3: Cross multiply
    103,970.70x = 155,965.87 × 29,090.86
  4. Step 4: Simplify right side
    103,970.70x = 4,537,181,288.95
  5. Step 5: Solve for x
    x = 4,537,181,288.95/103,970.70
  6. Step 6: Final answer
    x = 43,639.04

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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.