Home / 131,573.90-181,530.54-80,533.43

Finding the Fourth Proportional to 131,573.90, 181,530.54 and 80,533.43

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Solution

The fourth proportional to 131,573.90, 181,530.54 and 80,533.43 is: 111,110.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,573.90 : 181,530.54 = 80,533.43 : x
  2. Step 2: Convert to fraction form
    131,573.90/181,530.54 = 80,533.43/x
  3. Step 3: Cross multiply
    131,573.90x = 181,530.54 × 80,533.43
  4. Step 4: Simplify right side
    131,573.90x = 14,619,277,035.95
  5. Step 5: Solve for x
    x = 14,619,277,035.95/131,573.90
  6. Step 6: Final answer
    x = 111,110.77

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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.