Home / 131,826.24-181,919.30-71,395.50

Finding the Fourth Proportional to 131,826.24, 181,919.30 and 71,395.50

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Solution

The fourth proportional to 131,826.24, 181,919.30 and 71,395.50 is: 98,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,826.24 : 181,919.30 = 71,395.50 : x
  2. Step 2: Convert to fraction form
    131,826.24/181,919.30 = 71,395.50/x
  3. Step 3: Cross multiply
    131,826.24x = 181,919.30 × 71,395.50
  4. Step 4: Simplify right side
    131,826.24x = 12,988,219,561.64
  5. Step 5: Solve for x
    x = 12,988,219,561.64/131,826.24
  6. Step 6: Final answer
    x = 98,525.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.