Home / 133,415.13-184,114.33-72,984.47

Finding the Fourth Proportional to 133,415.13, 184,114.33 and 72,984.47

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Solution

The fourth proportional to 133,415.13, 184,114.33 and 72,984.47 is: 100,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,415.13 : 184,114.33 = 72,984.47 : x
  2. Step 2: Convert to fraction form
    133,415.13/184,114.33 = 72,984.47/x
  3. Step 3: Cross multiply
    133,415.13x = 184,114.33 × 72,984.47
  4. Step 4: Simplify right side
    133,415.13x = 13,437,486,429.53
  5. Step 5: Solve for x
    x = 13,437,486,429.53/133,415.13
  6. Step 6: Final answer
    x = 100,719.36

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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.