Home / 101,129.04-151,715.16-38,799

Finding the Fourth Proportional to 101,129.04, 151,715.16 and 38,799

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Solution

The fourth proportional to 101,129.04, 151,715.16 and 38,799 is: 58,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,129.04 : 151,715.16 = 38,799 : x
  2. Step 2: Convert to fraction form
    101,129.04/151,715.16 = 38,799/x
  3. Step 3: Cross multiply
    101,129.04x = 151,715.16 × 38,799
  4. Step 4: Simplify right side
    101,129.04x = 5,886,396,492.84
  5. Step 5: Solve for x
    x = 5,886,396,492.84/101,129.04
  6. Step 6: Final answer
    x = 58,206.79

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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.