Home / 131,237.47-196,887.56-42,491.07

Finding the Fourth Proportional to 131,237.47, 196,887.56 and 42,491.07

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Solution

The fourth proportional to 131,237.47, 196,887.56 and 42,491.07 is: 63,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,237.47 : 196,887.56 = 42,491.07 : x
  2. Step 2: Convert to fraction form
    131,237.47/196,887.56 = 42,491.07/x
  3. Step 3: Cross multiply
    131,237.47x = 196,887.56 × 42,491.07
  4. Step 4: Simplify right side
    131,237.47x = 8,365,963,094.09
  5. Step 5: Solve for x
    x = 8,365,963,094.09/131,237.47
  6. Step 6: Final answer
    x = 63,746.76

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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.