Home / 166,497.72-249,132.18-99,978.36

Finding the Fourth Proportional to 166,497.72, 249,132.18 and 99,978.36

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Solution

The fourth proportional to 166,497.72, 249,132.18 and 99,978.36 is: 149,598.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,497.72 : 249,132.18 = 99,978.36 : x
  2. Step 2: Convert to fraction form
    166,497.72/249,132.18 = 99,978.36/x
  3. Step 3: Cross multiply
    166,497.72x = 249,132.18 × 99,978.36
  4. Step 4: Simplify right side
    166,497.72x = 24,907,826,779.62
  5. Step 5: Solve for x
    x = 24,907,826,779.62/166,497.72
  6. Step 6: Final answer
    x = 149,598.61

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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.