Home / 105,005.16-144,910.62-57,261.13

Finding the Fourth Proportional to 105,005.16, 144,910.62 and 57,261.13

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Solution

The fourth proportional to 105,005.16, 144,910.62 and 57,261.13 is: 79,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,005.16 : 144,910.62 = 57,261.13 : x
  2. Step 2: Convert to fraction form
    105,005.16/144,910.62 = 57,261.13/x
  3. Step 3: Cross multiply
    105,005.16x = 144,910.62 × 57,261.13
  4. Step 4: Simplify right side
    105,005.16x = 8,297,745,487.92
  5. Step 5: Solve for x
    x = 8,297,745,487.92/105,005.16
  6. Step 6: Final answer
    x = 79,022.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.