Home / 124,901.82-172,364.52-68,313.20

Finding the Fourth Proportional to 124,901.82, 172,364.52 and 68,313.20

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Solution

The fourth proportional to 124,901.82, 172,364.52 and 68,313.20 is: 94,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,901.82 : 172,364.52 = 68,313.20 : x
  2. Step 2: Convert to fraction form
    124,901.82/172,364.52 = 68,313.20/x
  3. Step 3: Cross multiply
    124,901.82x = 172,364.52 × 68,313.20
  4. Step 4: Simplify right side
    124,901.82x = 11,774,771,065.84
  5. Step 5: Solve for x
    x = 11,774,771,065.84/124,901.82
  6. Step 6: Final answer
    x = 94,272.21

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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.