Home / 166,128.60-249,231.06-47,800.92

Finding the Fourth Proportional to 166,128.60, 249,231.06 and 47,800.92

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Solution

The fourth proportional to 166,128.60, 249,231.06 and 47,800.92 is: 71,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,128.60 : 249,231.06 = 47,800.92 : x
  2. Step 2: Convert to fraction form
    166,128.60/249,231.06 = 47,800.92/x
  3. Step 3: Cross multiply
    166,128.60x = 249,231.06 × 47,800.92
  4. Step 4: Simplify right side
    166,128.60x = 11,913,473,960.58
  5. Step 5: Solve for x
    x = 11,913,473,960.58/166,128.60
  6. Step 6: Final answer
    x = 71,712.36

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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.