Home / 165,312.90-228,134.07-89,863.02

Finding the Fourth Proportional to 165,312.90, 228,134.07 and 89,863.02

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Solution

The fourth proportional to 165,312.90, 228,134.07 and 89,863.02 is: 124,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,312.90 : 228,134.07 = 89,863.02 : x
  2. Step 2: Convert to fraction form
    165,312.90/228,134.07 = 89,863.02/x
  3. Step 3: Cross multiply
    165,312.90x = 228,134.07 × 89,863.02
  4. Step 4: Simplify right side
    165,312.90x = 20,500,816,495.09
  5. Step 5: Solve for x
    x = 20,500,816,495.09/165,312.90
  6. Step 6: Final answer
    x = 124,012.20

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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.