Home / 111,330.90-166,996.35-104,915.70

Finding the Fourth Proportional to 111,330.90, 166,996.35 and 104,915.70

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Solution

The fourth proportional to 111,330.90, 166,996.35 and 104,915.70 is: 157,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,330.90 : 166,996.35 = 104,915.70 : x
  2. Step 2: Convert to fraction form
    111,330.90/166,996.35 = 104,915.70/x
  3. Step 3: Cross multiply
    111,330.90x = 166,996.35 × 104,915.70
  4. Step 4: Simplify right side
    111,330.90x = 17,520,538,957.70
  5. Step 5: Solve for x
    x = 17,520,538,957.70/111,330.90
  6. Step 6: Final answer
    x = 157,373.55

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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.