Home / 166,106.20-249,159.30-156,920.80

Finding the Fourth Proportional to 166,106.20, 249,159.30 and 156,920.80

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Solution

The fourth proportional to 166,106.20, 249,159.30 and 156,920.80 is: 235,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,106.20 : 249,159.30 = 156,920.80 : x
  2. Step 2: Convert to fraction form
    166,106.20/249,159.30 = 156,920.80/x
  3. Step 3: Cross multiply
    166,106.20x = 249,159.30 × 156,920.80
  4. Step 4: Simplify right side
    166,106.20x = 39,098,276,683.44
  5. Step 5: Solve for x
    x = 39,098,276,683.44/166,106.20
  6. Step 6: Final answer
    x = 235,381.20

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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.