Home / 151,426.23-208,968.22-87,800.94

Finding the Fourth Proportional to 151,426.23, 208,968.22 and 87,800.94

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Solution

The fourth proportional to 151,426.23, 208,968.22 and 87,800.94 is: 121,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,426.23 : 208,968.22 = 87,800.94 : x
  2. Step 2: Convert to fraction form
    151,426.23/208,968.22 = 87,800.94/x
  3. Step 3: Cross multiply
    151,426.23x = 208,968.22 × 87,800.94
  4. Step 4: Simplify right side
    151,426.23x = 18,347,606,146.13
  5. Step 5: Solve for x
    x = 18,347,606,146.13/151,426.23
  6. Step 6: Final answer
    x = 121,165.31

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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.