Home / 112,341.62-168,429.26-53,108.12

Finding the Fourth Proportional to 112,341.62, 168,429.26 and 53,108.12

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Solution

The fourth proportional to 112,341.62, 168,429.26 and 53,108.12 is: 79,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,341.62 : 168,429.26 = 53,108.12 : x
  2. Step 2: Convert to fraction form
    112,341.62/168,429.26 = 53,108.12/x
  3. Step 3: Cross multiply
    112,341.62x = 168,429.26 × 53,108.12
  4. Step 4: Simplify right side
    112,341.62x = 8,944,961,351.59
  5. Step 5: Solve for x
    x = 8,944,961,351.59/112,341.62
  6. Step 6: Final answer
    x = 79,622.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.