Home / 166,520.40-249,780.60-99,160.80

Finding the Fourth Proportional to 166,520.40, 249,780.60 and 99,160.80

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Solution

The fourth proportional to 166,520.40, 249,780.60 and 99,160.80 is: 148,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,520.40 : 249,780.60 = 99,160.80 : x
  2. Step 2: Convert to fraction form
    166,520.40/249,780.60 = 99,160.80/x
  3. Step 3: Cross multiply
    166,520.40x = 249,780.60 × 99,160.80
  4. Step 4: Simplify right side
    166,520.40x = 24,768,444,120.48
  5. Step 5: Solve for x
    x = 24,768,444,120.48/166,520.40
  6. Step 6: Final answer
    x = 148,741.20

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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.