Home / 120,756.08-181,139.00-30,801.13

Finding the Fourth Proportional to 120,756.08, 181,139.00 and 30,801.13

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Solution

The fourth proportional to 120,756.08, 181,139.00 and 30,801.13 is: 46,202.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,756.08 : 181,139.00 = 30,801.13 : x
  2. Step 2: Convert to fraction form
    120,756.08/181,139.00 = 30,801.13/x
  3. Step 3: Cross multiply
    120,756.08x = 181,139.00 × 30,801.13
  4. Step 4: Simplify right side
    120,756.08x = 5,579,285,280.22
  5. Step 5: Solve for x
    x = 5,579,285,280.22/120,756.08
  6. Step 6: Final answer
    x = 46,202.93

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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.