Home / 151,242.50-208,714.66-84,190.34

Finding the Fourth Proportional to 151,242.50, 208,714.66 and 84,190.34

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Solution

The fourth proportional to 151,242.50, 208,714.66 and 84,190.34 is: 116,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,242.50 : 208,714.66 = 84,190.34 : x
  2. Step 2: Convert to fraction form
    151,242.50/208,714.66 = 84,190.34/x
  3. Step 3: Cross multiply
    151,242.50x = 208,714.66 × 84,190.34
  4. Step 4: Simplify right side
    151,242.50x = 17,571,758,188.38
  5. Step 5: Solve for x
    x = 17,571,758,188.38/151,242.50
  6. Step 6: Final answer
    x = 116,182.67

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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.