Home / 118,107.03-162,887.43-99,799.83

Finding the Fourth Proportional to 118,107.03, 162,887.43 and 99,799.83

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Solution

The fourth proportional to 118,107.03, 162,887.43 and 99,799.83 is: 137,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,107.03 : 162,887.43 = 99,799.83 : x
  2. Step 2: Convert to fraction form
    118,107.03/162,887.43 = 99,799.83/x
  3. Step 3: Cross multiply
    118,107.03x = 162,887.43 × 99,799.83
  4. Step 4: Simplify right side
    118,107.03x = 16,256,137,823.14
  5. Step 5: Solve for x
    x = 16,256,137,823.14/118,107.03
  6. Step 6: Final answer
    x = 137,639.04

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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.