Home / 144,284.24-216,132.36-69,175.40

Finding the Fourth Proportional to 144,284.24, 216,132.36 and 69,175.40

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Solution

The fourth proportional to 144,284.24, 216,132.36 and 69,175.40 is: 103,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,284.24 : 216,132.36 = 69,175.40 : x
  2. Step 2: Convert to fraction form
    144,284.24/216,132.36 = 69,175.40/x
  3. Step 3: Cross multiply
    144,284.24x = 216,132.36 × 69,175.40
  4. Step 4: Simplify right side
    144,284.24x = 14,951,042,455.94
  5. Step 5: Solve for x
    x = 14,951,042,455.94/144,284.24
  6. Step 6: Final answer
    x = 103,622.15

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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.