Home / 166,631.20-249,946.80-73,136.95

Finding the Fourth Proportional to 166,631.20, 249,946.80 and 73,136.95

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Solution

The fourth proportional to 166,631.20, 249,946.80 and 73,136.95 is: 109,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,631.20 : 249,946.80 = 73,136.95 : x
  2. Step 2: Convert to fraction form
    166,631.20/249,946.80 = 73,136.95/x
  3. Step 3: Cross multiply
    166,631.20x = 249,946.80 × 73,136.95
  4. Step 4: Simplify right side
    166,631.20x = 18,280,346,614.26
  5. Step 5: Solve for x
    x = 18,280,346,614.26/166,631.20
  6. Step 6: Final answer
    x = 109,705.43

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1.5x scale

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.