Home / 163,979.54-245,884.88-75,156.98

Finding the Fourth Proportional to 163,979.54, 245,884.88 and 75,156.98

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Solution

The fourth proportional to 163,979.54, 245,884.88 and 75,156.98 is: 112,696.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,979.54 : 245,884.88 = 75,156.98 : x
  2. Step 2: Convert to fraction form
    163,979.54/245,884.88 = 75,156.98/x
  3. Step 3: Cross multiply
    163,979.54x = 245,884.88 × 75,156.98
  4. Step 4: Simplify right side
    163,979.54x = 18,479,965,008.46
  5. Step 5: Solve for x
    x = 18,479,965,008.46/163,979.54
  6. Step 6: Final answer
    x = 112,696.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.