Home / 165,266.76-228,069.90-89,815.26

Finding the Fourth Proportional to 165,266.76, 228,069.90 and 89,815.26

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Solution

The fourth proportional to 165,266.76, 228,069.90 and 89,815.26 is: 123,946.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,266.76 : 228,069.90 = 89,815.26 : x
  2. Step 2: Convert to fraction form
    165,266.76/228,069.90 = 89,815.26/x
  3. Step 3: Cross multiply
    165,266.76x = 228,069.90 × 89,815.26
  4. Step 4: Simplify right side
    165,266.76x = 20,484,157,366.67
  5. Step 5: Solve for x
    x = 20,484,157,366.67/165,266.76
  6. Step 6: Final answer
    x = 123,946.02

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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.