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Finding the Fourth Proportional to 133,353.64, 200,186.74 and 105,292.61

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Solution

The fourth proportional to 133,353.64, 200,186.74 and 105,292.61 is: 158,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,353.64 : 200,186.74 = 105,292.61 : x
  2. Step 2: Convert to fraction form
    133,353.64/200,186.74 = 105,292.61/x
  3. Step 3: Cross multiply
    133,353.64x = 200,186.74 × 105,292.61
  4. Step 4: Simplify right side
    133,353.64x = 21,078,184,223.37
  5. Step 5: Solve for x
    x = 21,078,184,223.37/133,353.64
  6. Step 6: Final answer
    x = 158,062.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.