Home / 112,626.18-169,022.50-90,704.14

Finding the Fourth Proportional to 112,626.18, 169,022.50 and 90,704.14

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Solution

The fourth proportional to 112,626.18, 169,022.50 and 90,704.14 is: 136,123.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,626.18 : 169,022.50 = 90,704.14 : x
  2. Step 2: Convert to fraction form
    112,626.18/169,022.50 = 90,704.14/x
  3. Step 3: Cross multiply
    112,626.18x = 169,022.50 × 90,704.14
  4. Step 4: Simplify right side
    112,626.18x = 15,331,039,853.83
  5. Step 5: Solve for x
    x = 15,331,039,853.83/112,626.18
  6. Step 6: Final answer
    x = 136,123.23

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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.