Home / 166,498.20-249,747.30-113,621.40

Finding the Fourth Proportional to 166,498.20, 249,747.30 and 113,621.40

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Solution

The fourth proportional to 166,498.20, 249,747.30 and 113,621.40 is: 170,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,498.20 : 249,747.30 = 113,621.40 : x
  2. Step 2: Convert to fraction form
    166,498.20/249,747.30 = 113,621.40/x
  3. Step 3: Cross multiply
    166,498.20x = 249,747.30 × 113,621.40
  4. Step 4: Simplify right side
    166,498.20x = 28,376,637,872.22
  5. Step 5: Solve for x
    x = 28,376,637,872.22/166,498.20
  6. Step 6: Final answer
    x = 170,432.10

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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.