Home / 286,600.82-429,905.34-109,117.58

Finding the Fourth Proportional to 286,600.82, 429,905.34 and 109,117.58

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Solution

The fourth proportional to 286,600.82, 429,905.34 and 109,117.58 is: 163,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,600.82 : 429,905.34 = 109,117.58 : x
  2. Step 2: Convert to fraction form
    286,600.82/429,905.34 = 109,117.58/x
  3. Step 3: Cross multiply
    286,600.82x = 429,905.34 × 109,117.58
  4. Step 4: Simplify right side
    286,600.82x = 46,910,228,180.35
  5. Step 5: Solve for x
    x = 46,910,228,180.35/286,600.82
  6. Step 6: Final answer
    x = 163,677.93

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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.