Home / 148,999.30-223,758.15-79,015.30

Finding the Fourth Proportional to 148,999.30, 223,758.15 and 79,015.30

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Solution

The fourth proportional to 148,999.30, 223,758.15 and 79,015.30 is: 118,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,999.30 : 223,758.15 = 79,015.30 : x
  2. Step 2: Convert to fraction form
    148,999.30/223,758.15 = 79,015.30/x
  3. Step 3: Cross multiply
    148,999.30x = 223,758.15 × 79,015.30
  4. Step 4: Simplify right side
    148,999.30x = 17,680,317,349.70
  5. Step 5: Solve for x
    x = 17,680,317,349.70/148,999.30
  6. Step 6: Final answer
    x = 118,660.41

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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.