Home / 109,619.70-164,429.55-39,501.30

Finding the Fourth Proportional to 109,619.70, 164,429.55 and 39,501.30

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Solution

The fourth proportional to 109,619.70, 164,429.55 and 39,501.30 is: 59,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,619.70 : 164,429.55 = 39,501.30 : x
  2. Step 2: Convert to fraction form
    109,619.70/164,429.55 = 39,501.30/x
  3. Step 3: Cross multiply
    109,619.70x = 164,429.55 × 39,501.30
  4. Step 4: Simplify right side
    109,619.70x = 6,495,180,983.42
  5. Step 5: Solve for x
    x = 6,495,180,983.42/109,619.70
  6. Step 6: Final answer
    x = 59,251.95

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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.