Home / 121,384.77-181,610.58-73,991.26

Finding the Fourth Proportional to 121,384.77, 181,610.58 and 73,991.26

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Solution

The fourth proportional to 121,384.77, 181,610.58 and 73,991.26 is: 110,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,384.77 : 181,610.58 = 73,991.26 : x
  2. Step 2: Convert to fraction form
    121,384.77/181,610.58 = 73,991.26/x
  3. Step 3: Cross multiply
    121,384.77x = 181,610.58 × 73,991.26
  4. Step 4: Simplify right side
    121,384.77x = 13,437,595,643.53
  5. Step 5: Solve for x
    x = 13,437,595,643.53/121,384.77
  6. Step 6: Final answer
    x = 110,702.48

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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.