Home / 108,719.80-162,885.30-92,001.40

Finding the Fourth Proportional to 108,719.80, 162,885.30 and 92,001.40

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Solution

The fourth proportional to 108,719.80, 162,885.30 and 92,001.40 is: 137,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,719.80 : 162,885.30 = 92,001.40 : x
  2. Step 2: Convert to fraction form
    108,719.80/162,885.30 = 92,001.40/x
  3. Step 3: Cross multiply
    108,719.80x = 162,885.30 × 92,001.40
  4. Step 4: Simplify right side
    108,719.80x = 14,985,675,639.42
  5. Step 5: Solve for x
    x = 14,985,675,639.42/108,719.80
  6. Step 6: Final answer
    x = 137,837.59

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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.