Home / 109,655.43-164,488.95-30,775.81

Finding the Fourth Proportional to 109,655.43, 164,488.95 and 30,775.81

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Solution

The fourth proportional to 109,655.43, 164,488.95 and 30,775.81 is: 46,165.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,655.43 : 164,488.95 = 30,775.81 : x
  2. Step 2: Convert to fraction form
    109,655.43/164,488.95 = 30,775.81/x
  3. Step 3: Cross multiply
    109,655.43x = 164,488.95 × 30,775.81
  4. Step 4: Simplify right side
    109,655.43x = 5,062,280,511.79
  5. Step 5: Solve for x
    x = 5,062,280,511.79/109,655.43
  6. Step 6: Final answer
    x = 46,165.34

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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.