Home / 166,636.90-249,991.80-82,437.40

Finding the Fourth Proportional to 166,636.90, 249,991.80 and 82,437.40

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Solution

The fourth proportional to 166,636.90, 249,991.80 and 82,437.40 is: 123,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,636.90 : 249,991.80 = 82,437.40 : x
  2. Step 2: Convert to fraction form
    166,636.90/249,991.80 = 82,437.40/x
  3. Step 3: Cross multiply
    166,636.90x = 249,991.80 × 82,437.40
  4. Step 4: Simplify right side
    166,636.90x = 20,608,674,013.32
  5. Step 5: Solve for x
    x = 20,608,674,013.32/166,636.90
  6. Step 6: Final answer
    x = 123,674.13

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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.