Home / 120,529.37-180,875.75-49,464.83

Finding the Fourth Proportional to 120,529.37, 180,875.75 and 49,464.83

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Solution

The fourth proportional to 120,529.37, 180,875.75 and 49,464.83 is: 74,230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,529.37 : 180,875.75 = 49,464.83 : x
  2. Step 2: Convert to fraction form
    120,529.37/180,875.75 = 49,464.83/x
  3. Step 3: Cross multiply
    120,529.37x = 180,875.75 × 49,464.83
  4. Step 4: Simplify right side
    120,529.37x = 8,946,988,429.74
  5. Step 5: Solve for x
    x = 8,946,988,429.74/120,529.37
  6. Step 6: Final answer
    x = 74,230.77

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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.