Home / 286,531.29-429,921.14-109,088.73

Finding the Fourth Proportional to 286,531.29, 429,921.14 and 109,088.73

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Solution

The fourth proportional to 286,531.29, 429,921.14 and 109,088.73 is: 163,680.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,531.29 : 429,921.14 = 109,088.73 : x
  2. Step 2: Convert to fraction form
    286,531.29/429,921.14 = 109,088.73/x
  3. Step 3: Cross multiply
    286,531.29x = 429,921.14 × 109,088.73
  4. Step 4: Simplify right side
    286,531.29x = 46,899,550,617.31
  5. Step 5: Solve for x
    x = 46,899,550,617.31/286,531.29
  6. Step 6: Final answer
    x = 163,680.38

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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.