Home / 144,977.07-217,287.13-69,115.58

Finding the Fourth Proportional to 144,977.07, 217,287.13 and 69,115.58

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Solution

The fourth proportional to 144,977.07, 217,287.13 and 69,115.58 is: 103,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,977.07 : 217,287.13 = 69,115.58 : x
  2. Step 2: Convert to fraction form
    144,977.07/217,287.13 = 69,115.58/x
  3. Step 3: Cross multiply
    144,977.07x = 217,287.13 × 69,115.58
  4. Step 4: Simplify right side
    144,977.07x = 15,017,926,016.49
  5. Step 5: Solve for x
    x = 15,017,926,016.49/144,977.07
  6. Step 6: Final answer
    x = 103,588.28

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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.