Home / 117,718.16-162,450.25-64,003.20

Finding the Fourth Proportional to 117,718.16, 162,450.25 and 64,003.20

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Solution

The fourth proportional to 117,718.16, 162,450.25 and 64,003.20 is: 88,323.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,718.16 : 162,450.25 = 64,003.20 : x
  2. Step 2: Convert to fraction form
    117,718.16/162,450.25 = 64,003.20/x
  3. Step 3: Cross multiply
    117,718.16x = 162,450.25 × 64,003.20
  4. Step 4: Simplify right side
    117,718.16x = 10,397,335,666.94
  5. Step 5: Solve for x
    x = 10,397,335,666.94/117,718.16
  6. Step 6: Final answer
    x = 88,323.97

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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.