Home / 166,590.90-249,631.20-124,272.45

Finding the Fourth Proportional to 166,590.90, 249,631.20 and 124,272.45

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Solution

The fourth proportional to 166,590.90, 249,631.20 and 124,272.45 is: 186,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,590.90 : 249,631.20 = 124,272.45 : x
  2. Step 2: Convert to fraction form
    166,590.90/249,631.20 = 124,272.45/x
  3. Step 3: Cross multiply
    166,590.90x = 249,631.20 × 124,272.45
  4. Step 4: Simplify right side
    166,590.90x = 31,022,280,820.44
  5. Step 5: Solve for x
    x = 31,022,280,820.44/166,590.90
  6. Step 6: Final answer
    x = 186,218.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.