Home / 166,989.74-249,893.32-103,839.60

Finding the Fourth Proportional to 166,989.74, 249,893.32 and 103,839.60

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Solution

The fourth proportional to 166,989.74, 249,893.32 and 103,839.60 is: 155,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,989.74 : 249,893.32 = 103,839.60 : x
  2. Step 2: Convert to fraction form
    166,989.74/249,893.32 = 103,839.60/x
  3. Step 3: Cross multiply
    166,989.74x = 249,893.32 × 103,839.60
  4. Step 4: Simplify right side
    166,989.74x = 25,948,822,391.47
  5. Step 5: Solve for x
    x = 25,948,822,391.47/166,989.74
  6. Step 6: Final answer
    x = 155,391.72

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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.