Home / 166,516.80-249,775.20-54,207.60

Finding the Fourth Proportional to 166,516.80, 249,775.20 and 54,207.60

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Solution

The fourth proportional to 166,516.80, 249,775.20 and 54,207.60 is: 81,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,516.80 : 249,775.20 = 54,207.60 : x
  2. Step 2: Convert to fraction form
    166,516.80/249,775.20 = 54,207.60/x
  3. Step 3: Cross multiply
    166,516.80x = 249,775.20 × 54,207.60
  4. Step 4: Simplify right side
    166,516.80x = 13,539,714,131.52
  5. Step 5: Solve for x
    x = 13,539,714,131.52/166,516.80
  6. Step 6: Final answer
    x = 81,311.40

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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.