Home / 166,135.92-249,116.31-72,532.32

Finding the Fourth Proportional to 166,135.92, 249,116.31 and 72,532.32

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Solution

The fourth proportional to 166,135.92, 249,116.31 and 72,532.32 is: 108,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,135.92 : 249,116.31 = 72,532.32 : x
  2. Step 2: Convert to fraction form
    166,135.92/249,116.31 = 72,532.32/x
  3. Step 3: Cross multiply
    166,135.92x = 249,116.31 × 72,532.32
  4. Step 4: Simplify right side
    166,135.92x = 18,068,983,914.14
  5. Step 5: Solve for x
    x = 18,068,983,914.14/166,135.92
  6. Step 6: Final answer
    x = 108,760.25

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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.