Home / 121,687.02-167,898.06-73,937.52

Finding the Fourth Proportional to 121,687.02, 167,898.06 and 73,937.52

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Solution

The fourth proportional to 121,687.02, 167,898.06 and 73,937.52 is: 102,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,687.02 : 167,898.06 = 73,937.52 : x
  2. Step 2: Convert to fraction form
    121,687.02/167,898.06 = 73,937.52/x
  3. Step 3: Cross multiply
    121,687.02x = 167,898.06 × 73,937.52
  4. Step 4: Simplify right side
    121,687.02x = 12,413,966,169.21
  5. Step 5: Solve for x
    x = 12,413,966,169.21/121,687.02
  6. Step 6: Final answer
    x = 102,015.53

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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.