Home / 144,784.97-216,937.42-102,455.32

Finding the Fourth Proportional to 144,784.97, 216,937.42 and 102,455.32

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Solution

The fourth proportional to 144,784.97, 216,937.42 and 102,455.32 is: 153,513.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,784.97 : 216,937.42 = 102,455.32 : x
  2. Step 2: Convert to fraction form
    144,784.97/216,937.42 = 102,455.32/x
  3. Step 3: Cross multiply
    144,784.97x = 216,937.42 × 102,455.32
  4. Step 4: Simplify right side
    144,784.97x = 22,226,392,786.07
  5. Step 5: Solve for x
    x = 22,226,392,786.07/144,784.97
  6. Step 6: Final answer
    x = 153,513.12

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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.