Home / 112,626.93-169,023.62-90,704.89

Finding the Fourth Proportional to 112,626.93, 169,023.62 and 90,704.89

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Solution

The fourth proportional to 112,626.93, 169,023.62 and 90,704.89 is: 136,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,626.93 : 169,023.62 = 90,704.89 : x
  2. Step 2: Convert to fraction form
    112,626.93/169,023.62 = 90,704.89/x
  3. Step 3: Cross multiply
    112,626.93x = 169,023.62 × 90,704.89
  4. Step 4: Simplify right side
    112,626.93x = 15,331,268,663.71
  5. Step 5: Solve for x
    x = 15,331,268,663.71/112,626.93
  6. Step 6: Final answer
    x = 136,124.36

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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.