Home / 112,870.32-169,516.20-99,366.30

Finding the Fourth Proportional to 112,870.32, 169,516.20 and 99,366.30

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Solution

The fourth proportional to 112,870.32, 169,516.20 and 99,366.30 is: 149,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,870.32 : 169,516.20 = 99,366.30 : x
  2. Step 2: Convert to fraction form
    112,870.32/169,516.20 = 99,366.30/x
  3. Step 3: Cross multiply
    112,870.32x = 169,516.20 × 99,366.30
  4. Step 4: Simplify right side
    112,870.32x = 16,844,197,584.06
  5. Step 5: Solve for x
    x = 16,844,197,584.06/112,870.32
  6. Step 6: Final answer
    x = 149,234.96

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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.