Home / 165,298.14-228,111.75-89,846.46

Finding the Fourth Proportional to 165,298.14, 228,111.75 and 89,846.46

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Solution

The fourth proportional to 165,298.14, 228,111.75 and 89,846.46 is: 123,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,298.14 : 228,111.75 = 89,846.46 : x
  2. Step 2: Convert to fraction form
    165,298.14/228,111.75 = 89,846.46/x
  3. Step 3: Cross multiply
    165,298.14x = 228,111.75 × 89,846.46
  4. Step 4: Simplify right side
    165,298.14x = 20,495,033,221.91
  5. Step 5: Solve for x
    x = 20,495,033,221.91/165,298.14
  6. Step 6: Final answer
    x = 123,988.29

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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.