Home / 163,824.32-225,956.64-112,853.44

Finding the Fourth Proportional to 163,824.32, 225,956.64 and 112,853.44

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Solution

The fourth proportional to 163,824.32, 225,956.64 and 112,853.44 is: 155,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,824.32 : 225,956.64 = 112,853.44 : x
  2. Step 2: Convert to fraction form
    163,824.32/225,956.64 = 112,853.44/x
  3. Step 3: Cross multiply
    163,824.32x = 225,956.64 × 112,853.44
  4. Step 4: Simplify right side
    163,824.32x = 25,499,984,114.84
  5. Step 5: Solve for x
    x = 25,499,984,114.84/163,824.32
  6. Step 6: Final answer
    x = 155,654.45

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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.