Home / 151,376.44-208,899.54-87,751.18

Finding the Fourth Proportional to 151,376.44, 208,899.54 and 87,751.18

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Solution

The fourth proportional to 151,376.44, 208,899.54 and 87,751.18 is: 121,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,376.44 : 208,899.54 = 87,751.18 : x
  2. Step 2: Convert to fraction form
    151,376.44/208,899.54 = 87,751.18/x
  3. Step 3: Cross multiply
    151,376.44x = 208,899.54 × 87,751.18
  4. Step 4: Simplify right side
    151,376.44x = 18,331,181,136.46
  5. Step 5: Solve for x
    x = 18,331,181,136.46/151,376.44
  6. Step 6: Final answer
    x = 121,096.66

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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.