Home / 124,927.63-172,402.89-68,339

Finding the Fourth Proportional to 124,927.63, 172,402.89 and 68,339

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Solution

The fourth proportional to 124,927.63, 172,402.89 and 68,339 is: 94,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,927.63 : 172,402.89 = 68,339 : x
  2. Step 2: Convert to fraction form
    124,927.63/172,402.89 = 68,339/x
  3. Step 3: Cross multiply
    124,927.63x = 172,402.89 × 68,339
  4. Step 4: Simplify right side
    124,927.63x = 11,781,841,099.71
  5. Step 5: Solve for x
    x = 11,781,841,099.71/124,927.63
  6. Step 6: Final answer
    x = 94,309.33

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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.