Home / 166,137.17-249,118.19-72,533.57

Finding the Fourth Proportional to 166,137.17, 249,118.19 and 72,533.57

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Solution

The fourth proportional to 166,137.17, 249,118.19 and 72,533.57 is: 108,762.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,137.17 : 249,118.19 = 72,533.57 : x
  2. Step 2: Convert to fraction form
    166,137.17/249,118.19 = 72,533.57/x
  3. Step 3: Cross multiply
    166,137.17x = 249,118.19 × 72,533.57
  4. Step 4: Simplify right side
    166,137.17x = 18,069,431,309.97
  5. Step 5: Solve for x
    x = 18,069,431,309.97/166,137.17
  6. Step 6: Final answer
    x = 108,762.12

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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.