Home / 151,424.23-208,965.46-87,798.94

Finding the Fourth Proportional to 151,424.23, 208,965.46 and 87,798.94

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Solution

The fourth proportional to 151,424.23, 208,965.46 and 87,798.94 is: 121,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,424.23 : 208,965.46 = 87,798.94 : x
  2. Step 2: Convert to fraction form
    151,424.23/208,965.46 = 87,798.94/x
  3. Step 3: Cross multiply
    151,424.23x = 208,965.46 × 87,798.94
  4. Step 4: Simplify right side
    151,424.23x = 18,346,945,884.61
  5. Step 5: Solve for x
    x = 18,346,945,884.61/151,424.23
  6. Step 6: Final answer
    x = 121,162.55

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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.