Home / 133,612.96-184,340.12-76,211.04

Finding the Fourth Proportional to 133,612.96, 184,340.12 and 76,211.04

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Solution

The fourth proportional to 133,612.96, 184,340.12 and 76,211.04 is: 105,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,612.96 : 184,340.12 = 76,211.04 : x
  2. Step 2: Convert to fraction form
    133,612.96/184,340.12 = 76,211.04/x
  3. Step 3: Cross multiply
    133,612.96x = 184,340.12 × 76,211.04
  4. Step 4: Simplify right side
    133,612.96x = 14,048,750,956.17
  5. Step 5: Solve for x
    x = 14,048,750,956.17/133,612.96
  6. Step 6: Final answer
    x = 105,145.12

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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.