Home / 114,689.21-158,265.59-63,705.15

Finding the Fourth Proportional to 114,689.21, 158,265.59 and 63,705.15

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Solution

The fourth proportional to 114,689.21, 158,265.59 and 63,705.15 is: 87,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,689.21 : 158,265.59 = 63,705.15 : x
  2. Step 2: Convert to fraction form
    114,689.21/158,265.59 = 63,705.15/x
  3. Step 3: Cross multiply
    114,689.21x = 158,265.59 × 63,705.15
  4. Step 4: Simplify right side
    114,689.21x = 10,082,332,832.26
  5. Step 5: Solve for x
    x = 10,082,332,832.26/114,689.21
  6. Step 6: Final answer
    x = 87,910.04

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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.