Home / 133,636.95-184,414.18-76,279.23

Finding the Fourth Proportional to 133,636.95, 184,414.18 and 76,279.23

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Solution

The fourth proportional to 133,636.95, 184,414.18 and 76,279.23 is: 105,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,636.95 : 184,414.18 = 76,279.23 : x
  2. Step 2: Convert to fraction form
    133,636.95/184,414.18 = 76,279.23/x
  3. Step 3: Cross multiply
    133,636.95x = 184,414.18 × 76,279.23
  4. Step 4: Simplify right side
    133,636.95x = 14,066,971,651.48
  5. Step 5: Solve for x
    x = 14,066,971,651.48/133,636.95
  6. Step 6: Final answer
    x = 105,262.59

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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.