Home / 133,341.42-184,011.14-72,912.11

Finding the Fourth Proportional to 133,341.42, 184,011.14 and 72,912.11

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Solution

The fourth proportional to 133,341.42, 184,011.14 and 72,912.11 is: 100,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,341.42 : 184,011.14 = 72,912.11 : x
  2. Step 2: Convert to fraction form
    133,341.42/184,011.14 = 72,912.11/x
  3. Step 3: Cross multiply
    133,341.42x = 184,011.14 × 72,912.11
  4. Step 4: Simplify right side
    133,341.42x = 13,416,640,480.91
  5. Step 5: Solve for x
    x = 13,416,640,480.91/133,341.42
  6. Step 6: Final answer
    x = 100,618.70

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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.