Home / 108,948.78-163,511.46-56,373.30

Finding the Fourth Proportional to 108,948.78, 163,511.46 and 56,373.30

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Solution

The fourth proportional to 108,948.78, 163,511.46 and 56,373.30 is: 84,605.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,948.78 : 163,511.46 = 56,373.30 : x
  2. Step 2: Convert to fraction form
    108,948.78/163,511.46 = 56,373.30/x
  3. Step 3: Cross multiply
    108,948.78x = 163,511.46 × 56,373.30
  4. Step 4: Simplify right side
    108,948.78x = 9,217,680,588.02
  5. Step 5: Solve for x
    x = 9,217,680,588.02/108,948.78
  6. Step 6: Final answer
    x = 84,605.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.