Home / 133,916.04-184,734.36-79,436.52

Finding the Fourth Proportional to 133,916.04, 184,734.36 and 79,436.52

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Solution

The fourth proportional to 133,916.04, 184,734.36 and 79,436.52 is: 109,581.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,916.04 : 184,734.36 = 79,436.52 : x
  2. Step 2: Convert to fraction form
    133,916.04/184,734.36 = 79,436.52/x
  3. Step 3: Cross multiply
    133,916.04x = 184,734.36 × 79,436.52
  4. Step 4: Simplify right side
    133,916.04x = 14,674,654,682.83
  5. Step 5: Solve for x
    x = 14,674,654,682.83/133,916.04
  6. Step 6: Final answer
    x = 109,581.01

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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.