Home / 108,972.64-150,379.92-64,252

Finding the Fourth Proportional to 108,972.64, 150,379.92 and 64,252

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Solution

The fourth proportional to 108,972.64, 150,379.92 and 64,252 is: 88,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,972.64 : 150,379.92 = 64,252 : x
  2. Step 2: Convert to fraction form
    108,972.64/150,379.92 = 64,252/x
  3. Step 3: Cross multiply
    108,972.64x = 150,379.92 × 64,252
  4. Step 4: Simplify right side
    108,972.64x = 9,662,210,619.84
  5. Step 5: Solve for x
    x = 9,662,210,619.84/108,972.64
  6. Step 6: Final answer
    x = 88,666.39

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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.