Home / 166,621.20-249,931.80-73,126.95

Finding the Fourth Proportional to 166,621.20, 249,931.80 and 73,126.95

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Solution

The fourth proportional to 166,621.20, 249,931.80 and 73,126.95 is: 109,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,621.20 : 249,931.80 = 73,126.95 : x
  2. Step 2: Convert to fraction form
    166,621.20/249,931.80 = 73,126.95/x
  3. Step 3: Cross multiply
    166,621.20x = 249,931.80 × 73,126.95
  4. Step 4: Simplify right side
    166,621.20x = 18,276,750,242.01
  5. Step 5: Solve for x
    x = 18,276,750,242.01/166,621.20
  6. Step 6: Final answer
    x = 109,690.43

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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.