Home / 124,960.74-172,420.35-73,947.94

Finding the Fourth Proportional to 124,960.74, 172,420.35 and 73,947.94

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Solution

The fourth proportional to 124,960.74, 172,420.35 and 73,947.94 is: 102,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,960.74 : 172,420.35 = 73,947.94 : x
  2. Step 2: Convert to fraction form
    124,960.74/172,420.35 = 73,947.94/x
  3. Step 3: Cross multiply
    124,960.74x = 172,420.35 × 73,947.94
  4. Step 4: Simplify right side
    124,960.74x = 12,750,129,326.84
  5. Step 5: Solve for x
    x = 12,750,129,326.84/124,960.74
  6. Step 6: Final answer
    x = 102,033.08

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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.