Home / 149,231.95-205,947.69-84,705.73

Finding the Fourth Proportional to 149,231.95, 205,947.69 and 84,705.73

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Solution

The fourth proportional to 149,231.95, 205,947.69 and 84,705.73 is: 116,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,231.95 : 205,947.69 = 84,705.73 : x
  2. Step 2: Convert to fraction form
    149,231.95/205,947.69 = 84,705.73/x
  3. Step 3: Cross multiply
    149,231.95x = 205,947.69 × 84,705.73
  4. Step 4: Simplify right side
    149,231.95x = 17,444,949,423.26
  5. Step 5: Solve for x
    x = 17,444,949,423.26/149,231.95
  6. Step 6: Final answer
    x = 116,898.22

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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.