Home / 133,583.99-184,314.29-79,108.65

Finding the Fourth Proportional to 133,583.99, 184,314.29 and 79,108.65

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Solution

The fourth proportional to 133,583.99, 184,314.29 and 79,108.65 is: 109,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,583.99 : 184,314.29 = 79,108.65 : x
  2. Step 2: Convert to fraction form
    133,583.99/184,314.29 = 79,108.65/x
  3. Step 3: Cross multiply
    133,583.99x = 184,314.29 × 79,108.65
  4. Step 4: Simplify right side
    133,583.99x = 14,580,854,262.07
  5. Step 5: Solve for x
    x = 14,580,854,262.07/133,583.99
  6. Step 6: Final answer
    x = 109,151.21

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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.