Home / 119,328.06-164,697.78-75,692.39

Finding the Fourth Proportional to 119,328.06, 164,697.78 and 75,692.39

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Solution

The fourth proportional to 119,328.06, 164,697.78 and 75,692.39 is: 104,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,328.06 : 164,697.78 = 75,692.39 : x
  2. Step 2: Convert to fraction form
    119,328.06/164,697.78 = 75,692.39/x
  3. Step 3: Cross multiply
    119,328.06x = 164,697.78 × 75,692.39
  4. Step 4: Simplify right side
    119,328.06x = 12,466,367,772.41
  5. Step 5: Solve for x
    x = 12,466,367,772.41/119,328.06
  6. Step 6: Final answer
    x = 104,471.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.