Home / 165,496.48-228,387.48-90,045.04

Finding the Fourth Proportional to 165,496.48, 228,387.48 and 90,045.04

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Solution

The fourth proportional to 165,496.48, 228,387.48 and 90,045.04 is: 124,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,496.48 : 228,387.48 = 90,045.04 : x
  2. Step 2: Convert to fraction form
    165,496.48/228,387.48 = 90,045.04/x
  3. Step 3: Cross multiply
    165,496.48x = 228,387.48 × 90,045.04
  4. Step 4: Simplify right side
    165,496.48x = 20,565,159,772.10
  5. Step 5: Solve for x
    x = 20,565,159,772.10/165,496.48
  6. Step 6: Final answer
    x = 124,263.43

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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.