Home / 120,005.28-180,007.88-35,763.26

Finding the Fourth Proportional to 120,005.28, 180,007.88 and 35,763.26

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Solution

The fourth proportional to 120,005.28, 180,007.88 and 35,763.26 is: 53,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,005.28 : 180,007.88 = 35,763.26 : x
  2. Step 2: Convert to fraction form
    120,005.28/180,007.88 = 35,763.26/x
  3. Step 3: Cross multiply
    120,005.28x = 180,007.88 × 35,763.26
  4. Step 4: Simplify right side
    120,005.28x = 6,437,667,535.63
  5. Step 5: Solve for x
    x = 6,437,667,535.63/120,005.28
  6. Step 6: Final answer
    x = 53,644.87

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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.