Home / 165,864.16-228,881.10-93,277.90

Finding the Fourth Proportional to 165,864.16, 228,881.10 and 93,277.90

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Solution

The fourth proportional to 165,864.16, 228,881.10 and 93,277.90 is: 128,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,864.16 : 228,881.10 = 93,277.90 : x
  2. Step 2: Convert to fraction form
    165,864.16/228,881.10 = 93,277.90/x
  3. Step 3: Cross multiply
    165,864.16x = 228,881.10 × 93,277.90
  4. Step 4: Simplify right side
    165,864.16x = 21,349,548,357.69
  5. Step 5: Solve for x
    x = 21,349,548,357.69/165,864.16
  6. Step 6: Final answer
    x = 128,717.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.