Home / 165,318.04-228,140.40-89,866.72

Finding the Fourth Proportional to 165,318.04, 228,140.40 and 89,866.72

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Solution

The fourth proportional to 165,318.04, 228,140.40 and 89,866.72 is: 124,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,318.04 : 228,140.40 = 89,866.72 : x
  2. Step 2: Convert to fraction form
    165,318.04/228,140.40 = 89,866.72/x
  3. Step 3: Cross multiply
    165,318.04x = 228,140.40 × 89,866.72
  4. Step 4: Simplify right side
    165,318.04x = 20,502,229,447.49
  5. Step 5: Solve for x
    x = 20,502,229,447.49/165,318.04
  6. Step 6: Final answer
    x = 124,016.89

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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.