Home / 97,221.76-145,896-73,479.04

Finding the Fourth Proportional to 97,221.76, 145,896 and 73,479.04

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Solution

The fourth proportional to 97,221.76, 145,896 and 73,479.04 is: 110,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,221.76 : 145,896 = 73,479.04 : x
  2. Step 2: Convert to fraction form
    97,221.76/145,896 = 73,479.04/x
  3. Step 3: Cross multiply
    97,221.76x = 145,896 × 73,479.04
  4. Step 4: Simplify right side
    97,221.76x = 10,720,298,019.84
  5. Step 5: Solve for x
    x = 10,720,298,019.84/97,221.76
  6. Step 6: Final answer
    x = 110,266.45

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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.