Home / 133,446.12-184,137.48-79,719.74

Finding the Fourth Proportional to 133,446.12, 184,137.48 and 79,719.74

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Solution

The fourth proportional to 133,446.12, 184,137.48 and 79,719.74 is: 110,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,446.12 : 184,137.48 = 79,719.74 : x
  2. Step 2: Convert to fraction form
    133,446.12/184,137.48 = 79,719.74/x
  3. Step 3: Cross multiply
    133,446.12x = 184,137.48 × 79,719.74
  4. Step 4: Simplify right side
    133,446.12x = 14,679,391,109.17
  5. Step 5: Solve for x
    x = 14,679,391,109.17/133,446.12
  6. Step 6: Final answer
    x = 110,002.38

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1.5x scale

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.