Home / 120,869.12-181,303.73-45,971.95

Finding the Fourth Proportional to 120,869.12, 181,303.73 and 45,971.95

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Solution

The fourth proportional to 120,869.12, 181,303.73 and 45,971.95 is: 68,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,869.12 : 181,303.73 = 45,971.95 : x
  2. Step 2: Convert to fraction form
    120,869.12/181,303.73 = 45,971.95/x
  3. Step 3: Cross multiply
    120,869.12x = 181,303.73 × 45,971.95
  4. Step 4: Simplify right side
    120,869.12x = 8,334,886,010.37
  5. Step 5: Solve for x
    x = 8,334,886,010.37/120,869.12
  6. Step 6: Final answer
    x = 68,957.94

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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.