Home / 117,758.46-162,505.08-64,042.32

Finding the Fourth Proportional to 117,758.46, 162,505.08 and 64,042.32

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Solution

The fourth proportional to 117,758.46, 162,505.08 and 64,042.32 is: 88,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,758.46 : 162,505.08 = 64,042.32 : x
  2. Step 2: Convert to fraction form
    117,758.46/162,505.08 = 64,042.32/x
  3. Step 3: Cross multiply
    117,758.46x = 162,505.08 × 64,042.32
  4. Step 4: Simplify right side
    117,758.46x = 10,407,202,334.99
  5. Step 5: Solve for x
    x = 10,407,202,334.99/117,758.46
  6. Step 6: Final answer
    x = 88,377.53

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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.