Home / 120,800.16-181,163.32-57,586.95

Finding the Fourth Proportional to 120,800.16, 181,163.32 and 57,586.95

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Solution

The fourth proportional to 120,800.16, 181,163.32 and 57,586.95 is: 86,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,800.16 : 181,163.32 = 57,586.95 : x
  2. Step 2: Convert to fraction form
    120,800.16/181,163.32 = 57,586.95/x
  3. Step 3: Cross multiply
    120,800.16x = 181,163.32 × 57,586.95
  4. Step 4: Simplify right side
    120,800.16x = 10,432,642,906.71
  5. Step 5: Solve for x
    x = 10,432,642,906.71/120,800.16
  6. Step 6: Final answer
    x = 86,362.82

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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.