Home / 165,705.66-228,674.07-90,254.46

Finding the Fourth Proportional to 165,705.66, 228,674.07 and 90,254.46

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Solution

The fourth proportional to 165,705.66, 228,674.07 and 90,254.46 is: 124,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,705.66 : 228,674.07 = 90,254.46 : x
  2. Step 2: Convert to fraction form
    165,705.66/228,674.07 = 90,254.46/x
  3. Step 3: Cross multiply
    165,705.66x = 228,674.07 × 90,254.46
  4. Step 4: Simplify right side
    165,705.66x = 20,638,854,703.85
  5. Step 5: Solve for x
    x = 20,638,854,703.85/165,705.66
  6. Step 6: Final answer
    x = 124,551.30

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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.