Home / 101,620.60-152,438.79-30,537.69

Finding the Fourth Proportional to 101,620.60, 152,438.79 and 30,537.69

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Solution

The fourth proportional to 101,620.60, 152,438.79 and 30,537.69 is: 45,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,620.60 : 152,438.79 = 30,537.69 : x
  2. Step 2: Convert to fraction form
    101,620.60/152,438.79 = 30,537.69/x
  3. Step 3: Cross multiply
    101,620.60x = 152,438.79 × 30,537.69
  4. Step 4: Simplify right side
    101,620.60x = 4,655,128,894.09
  5. Step 5: Solve for x
    x = 4,655,128,894.09/101,620.60
  6. Step 6: Final answer
    x = 45,808.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.