Home / 163,236.32-225,288.84-90,655.52

Finding the Fourth Proportional to 163,236.32, 225,288.84 and 90,655.52

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Solution

The fourth proportional to 163,236.32, 225,288.84 and 90,655.52 is: 125,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,236.32 : 225,288.84 = 90,655.52 : x
  2. Step 2: Convert to fraction form
    163,236.32/225,288.84 = 90,655.52/x
  3. Step 3: Cross multiply
    163,236.32x = 225,288.84 × 90,655.52
  4. Step 4: Simplify right side
    163,236.32x = 20,423,676,940.40
  5. Step 5: Solve for x
    x = 20,423,676,940.40/163,236.32
  6. Step 6: Final answer
    x = 125,117.23

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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.