Home / 112,408.40-168,622.20-38,536.40

Finding the Fourth Proportional to 112,408.40, 168,622.20 and 38,536.40

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Solution

The fourth proportional to 112,408.40, 168,622.20 and 38,536.40 is: 57,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,408.40 : 168,622.20 = 38,536.40 : x
  2. Step 2: Convert to fraction form
    112,408.40/168,622.20 = 38,536.40/x
  3. Step 3: Cross multiply
    112,408.40x = 168,622.20 × 38,536.40
  4. Step 4: Simplify right side
    112,408.40x = 6,498,092,548.08
  5. Step 5: Solve for x
    x = 6,498,092,548.08/112,408.40
  6. Step 6: Final answer
    x = 57,807.89

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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.