Home / 124,953.20-172,435.20-68,364.44

Finding the Fourth Proportional to 124,953.20, 172,435.20 and 68,364.44

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Solution

The fourth proportional to 124,953.20, 172,435.20 and 68,364.44 is: 94,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,953.20 : 172,435.20 = 68,364.44 : x
  2. Step 2: Convert to fraction form
    124,953.20/172,435.20 = 68,364.44/x
  3. Step 3: Cross multiply
    124,953.20x = 172,435.20 × 68,364.44
  4. Step 4: Simplify right side
    124,953.20x = 11,788,435,884.29
  5. Step 5: Solve for x
    x = 11,788,435,884.29/124,953.20
  6. Step 6: Final answer
    x = 94,342.81

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1.5x scale

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.