Home / 131,237.22-196,887.18-42,490.82

Finding the Fourth Proportional to 131,237.22, 196,887.18 and 42,490.82

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Solution

The fourth proportional to 131,237.22, 196,887.18 and 42,490.82 is: 63,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,237.22 : 196,887.18 = 42,490.82 : x
  2. Step 2: Convert to fraction form
    131,237.22/196,887.18 = 42,490.82/x
  3. Step 3: Cross multiply
    131,237.22x = 196,887.18 × 42,490.82
  4. Step 4: Simplify right side
    131,237.22x = 8,365,896,741.25
  5. Step 5: Solve for x
    x = 8,365,896,741.25/131,237.22
  6. Step 6: Final answer
    x = 63,746.37

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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.