Home / 124,898.81-172,360.37-68,310.19

Finding the Fourth Proportional to 124,898.81, 172,360.37 and 68,310.19

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Solution

The fourth proportional to 124,898.81, 172,360.37 and 68,310.19 is: 94,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,898.81 : 172,360.37 = 68,310.19 : x
  2. Step 2: Convert to fraction form
    124,898.81/172,360.37 = 68,310.19/x
  3. Step 3: Cross multiply
    124,898.81x = 172,360.37 × 68,310.19
  4. Step 4: Simplify right side
    124,898.81x = 11,773,968,850.72
  5. Step 5: Solve for x
    x = 11,773,968,850.72/124,898.81
  6. Step 6: Final answer
    x = 94,268.06

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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.