Home / 104,232.89-143,788.55-65,927.93

Finding the Fourth Proportional to 104,232.89, 143,788.55 and 65,927.93

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Solution

The fourth proportional to 104,232.89, 143,788.55 and 65,927.93 is: 90,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,232.89 : 143,788.55 = 65,927.93 : x
  2. Step 2: Convert to fraction form
    104,232.89/143,788.55 = 65,927.93/x
  3. Step 3: Cross multiply
    104,232.89x = 143,788.55 × 65,927.93
  4. Step 4: Simplify right side
    104,232.89x = 9,479,680,410.62
  5. Step 5: Solve for x
    x = 9,479,680,410.62/104,232.89
  6. Step 6: Final answer
    x = 90,947.11

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1.5x scale

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.