Home / 165,457.98-228,331.14-90,006.48

Finding the Fourth Proportional to 165,457.98, 228,331.14 and 90,006.48

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Solution

The fourth proportional to 165,457.98, 228,331.14 and 90,006.48 is: 124,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,457.98 : 228,331.14 = 90,006.48 : x
  2. Step 2: Convert to fraction form
    165,457.98/228,331.14 = 90,006.48/x
  3. Step 3: Cross multiply
    165,457.98x = 228,331.14 × 90,006.48
  4. Step 4: Simplify right side
    165,457.98x = 20,551,282,185.79
  5. Step 5: Solve for x
    x = 20,551,282,185.79/165,457.98
  6. Step 6: Final answer
    x = 124,208.47

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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.