Home / 109,712.39-164,567.36-34,830.52

Finding the Fourth Proportional to 109,712.39, 164,567.36 and 34,830.52

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Solution

The fourth proportional to 109,712.39, 164,567.36 and 34,830.52 is: 52,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,712.39 : 164,567.36 = 34,830.52 : x
  2. Step 2: Convert to fraction form
    109,712.39/164,567.36 = 34,830.52/x
  3. Step 3: Cross multiply
    109,712.39x = 164,567.36 × 34,830.52
  4. Step 4: Simplify right side
    109,712.39x = 5,731,966,399.49
  5. Step 5: Solve for x
    x = 5,731,966,399.49/109,712.39
  6. Step 6: Final answer
    x = 52,245.39

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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.