Home / 120,089.70-180,144.54-35,844.30

Finding the Fourth Proportional to 120,089.70, 180,144.54 and 35,844.30

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Solution

The fourth proportional to 120,089.70, 180,144.54 and 35,844.30 is: 53,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,089.70 : 180,144.54 = 35,844.30 : x
  2. Step 2: Convert to fraction form
    120,089.70/180,144.54 = 35,844.30/x
  3. Step 3: Cross multiply
    120,089.70x = 180,144.54 × 35,844.30
  4. Step 4: Simplify right side
    120,089.70x = 6,457,154,935.12
  5. Step 5: Solve for x
    x = 6,457,154,935.12/120,089.70
  6. Step 6: Final answer
    x = 53,769.43

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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.