Home / 165,528.18-248,119.88-76,708.71

Finding the Fourth Proportional to 165,528.18, 248,119.88 and 76,708.71

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Solution

The fourth proportional to 165,528.18, 248,119.88 and 76,708.71 is: 114,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,528.18 : 248,119.88 = 76,708.71 : x
  2. Step 2: Convert to fraction form
    165,528.18/248,119.88 = 76,708.71/x
  3. Step 3: Cross multiply
    165,528.18x = 248,119.88 × 76,708.71
  4. Step 4: Simplify right side
    165,528.18x = 19,032,955,536.61
  5. Step 5: Solve for x
    x = 19,032,955,536.61/165,528.18
  6. Step 6: Final answer
    x = 114,983.17

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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.