Home / 166,638.12-249,974.10-61,432.44

Finding the Fourth Proportional to 166,638.12, 249,974.10 and 61,432.44

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Solution

The fourth proportional to 166,638.12, 249,974.10 and 61,432.44 is: 92,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,638.12 : 249,974.10 = 61,432.44 : x
  2. Step 2: Convert to fraction form
    166,638.12/249,974.10 = 61,432.44/x
  3. Step 3: Cross multiply
    166,638.12x = 249,974.10 × 61,432.44
  4. Step 4: Simplify right side
    166,638.12x = 15,356,518,899.80
  5. Step 5: Solve for x
    x = 15,356,518,899.80/166,638.12
  6. Step 6: Final answer
    x = 92,154.90

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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.