Home / 120,964.40-181,475.40-50,807.60

Finding the Fourth Proportional to 120,964.40, 181,475.40 and 50,807.60

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Solution

The fourth proportional to 120,964.40, 181,475.40 and 50,807.60 is: 76,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964.40 : 181,475.40 = 50,807.60 : x
  2. Step 2: Convert to fraction form
    120,964.40/181,475.40 = 50,807.60/x
  3. Step 3: Cross multiply
    120,964.40x = 181,475.40 × 50,807.60
  4. Step 4: Simplify right side
    120,964.40x = 9,220,329,533.04
  5. Step 5: Solve for x
    x = 9,220,329,533.04/120,964.40
  6. Step 6: Final answer
    x = 76,223.50

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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.