Home / 108,892.44-163,455.30-85,681.08

Finding the Fourth Proportional to 108,892.44, 163,455.30 and 85,681.08

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Solution

The fourth proportional to 108,892.44, 163,455.30 and 85,681.08 is: 128,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,892.44 : 163,455.30 = 85,681.08 : x
  2. Step 2: Convert to fraction form
    108,892.44/163,455.30 = 85,681.08/x
  3. Step 3: Cross multiply
    108,892.44x = 163,455.30 × 85,681.08
  4. Step 4: Simplify right side
    108,892.44x = 14,005,026,635.72
  5. Step 5: Solve for x
    x = 14,005,026,635.72/108,892.44
  6. Step 6: Final answer
    x = 128,613.40

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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.