Home / 144,345.68-216,513.64-50,849

Finding the Fourth Proportional to 144,345.68, 216,513.64 and 50,849

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Solution

The fourth proportional to 144,345.68, 216,513.64 and 50,849 is: 76,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,345.68 : 216,513.64 = 50,849 : x
  2. Step 2: Convert to fraction form
    144,345.68/216,513.64 = 50,849/x
  3. Step 3: Cross multiply
    144,345.68x = 216,513.64 × 50,849
  4. Step 4: Simplify right side
    144,345.68x = 11,009,502,080.36
  5. Step 5: Solve for x
    x = 11,009,502,080.36/144,345.68
  6. Step 6: Final answer
    x = 76,271.78

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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.