Home / 131,263.83-181,139.90-73,906.11

Finding the Fourth Proportional to 131,263.83, 181,139.90 and 73,906.11

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Solution

The fourth proportional to 131,263.83, 181,139.90 and 73,906.11 is: 101,988.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,263.83 : 181,139.90 = 73,906.11 : x
  2. Step 2: Convert to fraction form
    131,263.83/181,139.90 = 73,906.11/x
  3. Step 3: Cross multiply
    131,263.83x = 181,139.90 × 73,906.11
  4. Step 4: Simplify right side
    131,263.83x = 13,387,345,005.26
  5. Step 5: Solve for x
    x = 13,387,345,005.26/131,263.83
  6. Step 6: Final answer
    x = 101,988.07

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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.