Home / 165,320.79-228,144.96-89,870.91

Finding the Fourth Proportional to 165,320.79, 228,144.96 and 89,870.91

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Solution

The fourth proportional to 165,320.79, 228,144.96 and 89,870.91 is: 124,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,320.79 : 228,144.96 = 89,870.91 : x
  2. Step 2: Convert to fraction form
    165,320.79/228,144.96 = 89,870.91/x
  3. Step 3: Cross multiply
    165,320.79x = 228,144.96 × 89,870.91
  4. Step 4: Simplify right side
    165,320.79x = 20,503,595,167.11
  5. Step 5: Solve for x
    x = 20,503,595,167.11/165,320.79
  6. Step 6: Final answer
    x = 124,023.09

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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.