Home / 165,733.28-228,710.74-90,281.80

Finding the Fourth Proportional to 165,733.28, 228,710.74 and 90,281.80

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Solution

The fourth proportional to 165,733.28, 228,710.74 and 90,281.80 is: 124,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,733.28 : 228,710.74 = 90,281.80 : x
  2. Step 2: Convert to fraction form
    165,733.28/228,710.74 = 90,281.80/x
  3. Step 3: Cross multiply
    165,733.28x = 228,710.74 × 90,281.80
  4. Step 4: Simplify right side
    165,733.28x = 20,648,417,286.53
  5. Step 5: Solve for x
    x = 20,648,417,286.53/165,733.28
  6. Step 6: Final answer
    x = 124,588.24

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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.