Home / 144,975.07-217,284.13-69,113.58

Finding the Fourth Proportional to 144,975.07, 217,284.13 and 69,113.58

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Solution

The fourth proportional to 144,975.07, 217,284.13 and 69,113.58 is: 103,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,975.07 : 217,284.13 = 69,113.58 : x
  2. Step 2: Convert to fraction form
    144,975.07/217,284.13 = 69,113.58/x
  3. Step 3: Cross multiply
    144,975.07x = 217,284.13 × 69,113.58
  4. Step 4: Simplify right side
    144,975.07x = 15,017,284,101.49
  5. Step 5: Solve for x
    x = 15,017,284,101.49/144,975.07
  6. Step 6: Final answer
    x = 103,585.29

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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.