Home / 202,748.52-279,787.99-112,102.18

Finding the Fourth Proportional to 202,748.52, 279,787.99 and 112,102.18

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Solution

The fourth proportional to 202,748.52, 279,787.99 and 112,102.18 is: 154,698.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,748.52 : 279,787.99 = 112,102.18 : x
  2. Step 2: Convert to fraction form
    202,748.52/279,787.99 = 112,102.18/x
  3. Step 3: Cross multiply
    202,748.52x = 279,787.99 × 112,102.18
  4. Step 4: Simplify right side
    202,748.52x = 31,364,843,616.82
  5. Step 5: Solve for x
    x = 31,364,843,616.82/202,748.52
  6. Step 6: Final answer
    x = 154,698.26

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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.