Home / 165,699.16-228,664.80-90,247.66

Finding the Fourth Proportional to 165,699.16, 228,664.80 and 90,247.66

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Solution

The fourth proportional to 165,699.16, 228,664.80 and 90,247.66 is: 124,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,699.16 : 228,664.80 = 90,247.66 : x
  2. Step 2: Convert to fraction form
    165,699.16/228,664.80 = 90,247.66/x
  3. Step 3: Cross multiply
    165,699.16x = 228,664.80 × 90,247.66
  4. Step 4: Simplify right side
    165,699.16x = 20,636,463,124.37
  5. Step 5: Solve for x
    x = 20,636,463,124.37/165,699.16
  6. Step 6: Final answer
    x = 124,541.75

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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.