Home / 124,899.84-172,363.14-68,310

Finding the Fourth Proportional to 124,899.84, 172,363.14 and 68,310

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Solution

The fourth proportional to 124,899.84, 172,363.14 and 68,310 is: 94,268.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,899.84 : 172,363.14 = 68,310 : x
  2. Step 2: Convert to fraction form
    124,899.84/172,363.14 = 68,310/x
  3. Step 3: Cross multiply
    124,899.84x = 172,363.14 × 68,310
  4. Step 4: Simplify right side
    124,899.84x = 11,774,126,093.40
  5. Step 5: Solve for x
    x = 11,774,126,093.40/124,899.84
  6. Step 6: Final answer
    x = 94,268.54

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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.