Home / 117,722.16-162,516.78-90,804.24

Finding the Fourth Proportional to 117,722.16, 162,516.78 and 90,804.24

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Solution

The fourth proportional to 117,722.16, 162,516.78 and 90,804.24 is: 125,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,722.16 : 162,516.78 = 90,804.24 : x
  2. Step 2: Convert to fraction form
    117,722.16/162,516.78 = 90,804.24/x
  3. Step 3: Cross multiply
    117,722.16x = 162,516.78 × 90,804.24
  4. Step 4: Simplify right side
    117,722.16x = 14,757,212,695.15
  5. Step 5: Solve for x
    x = 14,757,212,695.15/117,722.16
  6. Step 6: Final answer
    x = 125,356.29

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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.