Home / 165,557.24-228,470-90,106.52

Finding the Fourth Proportional to 165,557.24, 228,470 and 90,106.52

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Solution

The fourth proportional to 165,557.24, 228,470 and 90,106.52 is: 124,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,557.24 : 228,470 = 90,106.52 : x
  2. Step 2: Convert to fraction form
    165,557.24/228,470 = 90,106.52/x
  3. Step 3: Cross multiply
    165,557.24x = 228,470 × 90,106.52
  4. Step 4: Simplify right side
    165,557.24x = 20,586,636,624.40
  5. Step 5: Solve for x
    x = 20,586,636,624.40/165,557.24
  6. Step 6: Final answer
    x = 124,347.55

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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.