Home / 100,829.81-151,244.72-30,709.13

Finding the Fourth Proportional to 100,829.81, 151,244.72 and 30,709.13

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Solution

The fourth proportional to 100,829.81, 151,244.72 and 30,709.13 is: 46,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,829.81 : 151,244.72 = 30,709.13 : x
  2. Step 2: Convert to fraction form
    100,829.81/151,244.72 = 30,709.13/x
  3. Step 3: Cross multiply
    100,829.81x = 151,244.72 × 30,709.13
  4. Step 4: Simplify right side
    100,829.81x = 4,644,592,973.68
  5. Step 5: Solve for x
    x = 4,644,592,973.68/100,829.81
  6. Step 6: Final answer
    x = 46,063.69

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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.