Home / 120,943.02-181,464.50-60,939.42

Finding the Fourth Proportional to 120,943.02, 181,464.50 and 60,939.42

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Solution

The fourth proportional to 120,943.02, 181,464.50 and 60,939.42 is: 91,434.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,943.02 : 181,464.50 = 60,939.42 : x
  2. Step 2: Convert to fraction form
    120,943.02/181,464.50 = 60,939.42/x
  3. Step 3: Cross multiply
    120,943.02x = 181,464.50 × 60,939.42
  4. Step 4: Simplify right side
    120,943.02x = 11,058,341,530.40
  5. Step 5: Solve for x
    x = 11,058,341,530.40/120,943.02
  6. Step 6: Final answer
    x = 91,434.31

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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.