Home / 166,243.20-249,364.80-147,872.40

Finding the Fourth Proportional to 166,243.20, 249,364.80 and 147,872.40

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Solution

The fourth proportional to 166,243.20, 249,364.80 and 147,872.40 is: 221,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,243.20 : 249,364.80 = 147,872.40 : x
  2. Step 2: Convert to fraction form
    166,243.20/249,364.80 = 147,872.40/x
  3. Step 3: Cross multiply
    166,243.20x = 249,364.80 × 147,872.40
  4. Step 4: Simplify right side
    166,243.20x = 36,874,171,451.52
  5. Step 5: Solve for x
    x = 36,874,171,451.52/166,243.20
  6. Step 6: Final answer
    x = 221,808.60

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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.