Home / 166,520.30-249,780.45-54,211.10

Finding the Fourth Proportional to 166,520.30, 249,780.45 and 54,211.10

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Solution

The fourth proportional to 166,520.30, 249,780.45 and 54,211.10 is: 81,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,520.30 : 249,780.45 = 54,211.10 : x
  2. Step 2: Convert to fraction form
    166,520.30/249,780.45 = 54,211.10/x
  3. Step 3: Cross multiply
    166,520.30x = 249,780.45 × 54,211.10
  4. Step 4: Simplify right side
    166,520.30x = 13,540,872,953.00
  5. Step 5: Solve for x
    x = 13,540,872,953.00/166,520.30
  6. Step 6: Final answer
    x = 81,316.65

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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.