Home / 108,714.47-163,118.16-56,160.86

Finding the Fourth Proportional to 108,714.47, 163,118.16 and 56,160.86

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Solution

The fourth proportional to 108,714.47, 163,118.16 and 56,160.86 is: 84,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,714.47 : 163,118.16 = 56,160.86 : x
  2. Step 2: Convert to fraction form
    108,714.47/163,118.16 = 56,160.86/x
  3. Step 3: Cross multiply
    108,714.47x = 163,118.16 × 56,160.86
  4. Step 4: Simplify right side
    108,714.47x = 9,160,855,331.63
  5. Step 5: Solve for x
    x = 9,160,855,331.63/108,714.47
  6. Step 6: Final answer
    x = 84,265.28

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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.