Home / 165,318.12-228,139.17-89,866.62

Finding the Fourth Proportional to 165,318.12, 228,139.17 and 89,866.62

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Solution

The fourth proportional to 165,318.12, 228,139.17 and 89,866.62 is: 124,016.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,318.12 : 228,139.17 = 89,866.62 : x
  2. Step 2: Convert to fraction form
    165,318.12/228,139.17 = 89,866.62/x
  3. Step 3: Cross multiply
    165,318.12x = 228,139.17 × 89,866.62
  4. Step 4: Simplify right side
    165,318.12x = 20,502,096,097.51
  5. Step 5: Solve for x
    x = 20,502,096,097.51/165,318.12
  6. Step 6: Final answer
    x = 124,016.02

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1.5x scale

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.