Home / 133,719.90-184,506.19-79,248.07

Finding the Fourth Proportional to 133,719.90, 184,506.19 and 79,248.07

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Solution

The fourth proportional to 133,719.90, 184,506.19 and 79,248.07 is: 109,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,719.90 : 184,506.19 = 79,248.07 : x
  2. Step 2: Convert to fraction form
    133,719.90/184,506.19 = 79,248.07/x
  3. Step 3: Cross multiply
    133,719.90x = 184,506.19 × 79,248.07
  4. Step 4: Simplify right side
    133,719.90x = 14,621,759,460.55
  5. Step 5: Solve for x
    x = 14,621,759,460.55/133,719.90
  6. Step 6: Final answer
    x = 109,346.17

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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.