Home / 124,947.68-172,368.24-77,183.84

Finding the Fourth Proportional to 124,947.68, 172,368.24 and 77,183.84

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Solution

The fourth proportional to 124,947.68, 172,368.24 and 77,183.84 is: 106,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,947.68 : 172,368.24 = 77,183.84 : x
  2. Step 2: Convert to fraction form
    124,947.68/172,368.24 = 77,183.84/x
  3. Step 3: Cross multiply
    124,947.68x = 172,368.24 × 77,183.84
  4. Step 4: Simplify right side
    124,947.68x = 13,304,042,657.24
  5. Step 5: Solve for x
    x = 13,304,042,657.24/124,947.68
  6. Step 6: Final answer
    x = 106,476.91

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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.