Home / 124,750.51-172,155.66-67,389.82

Finding the Fourth Proportional to 124,750.51, 172,155.66 and 67,389.82

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Solution

The fourth proportional to 124,750.51, 172,155.66 and 67,389.82 is: 92,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,750.51 : 172,155.66 = 67,389.82 : x
  2. Step 2: Convert to fraction form
    124,750.51/172,155.66 = 67,389.82/x
  3. Step 3: Cross multiply
    124,750.51x = 172,155.66 × 67,389.82
  4. Step 4: Simplify right side
    124,750.51x = 11,601,538,939.38
  5. Step 5: Solve for x
    x = 11,601,538,939.38/124,750.51
  6. Step 6: Final answer
    x = 92,997.93

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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.