Home / 133,421.04-184,118.27-72,991.53

Finding the Fourth Proportional to 133,421.04, 184,118.27 and 72,991.53

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Solution

The fourth proportional to 133,421.04, 184,118.27 and 72,991.53 is: 100,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,421.04 : 184,118.27 = 72,991.53 : x
  2. Step 2: Convert to fraction form
    133,421.04/184,118.27 = 72,991.53/x
  3. Step 3: Cross multiply
    133,421.04x = 184,118.27 × 72,991.53
  4. Step 4: Simplify right side
    133,421.04x = 13,439,073,863.30
  5. Step 5: Solve for x
    x = 13,439,073,863.30/133,421.04
  6. Step 6: Final answer
    x = 100,726.80

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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.