Home / 124,953.54-172,440.18-68,364.90

Finding the Fourth Proportional to 124,953.54, 172,440.18 and 68,364.90

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Solution

The fourth proportional to 124,953.54, 172,440.18 and 68,364.90 is: 94,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,953.54 : 172,440.18 = 68,364.90 : x
  2. Step 2: Convert to fraction form
    124,953.54/172,440.18 = 68,364.90/x
  3. Step 3: Cross multiply
    124,953.54x = 172,440.18 × 68,364.90
  4. Step 4: Simplify right side
    124,953.54x = 11,788,855,661.68
  5. Step 5: Solve for x
    x = 11,788,855,661.68/124,953.54
  6. Step 6: Final answer
    x = 94,345.91

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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.