Home / 115,750.23-159,741.53-64,759.92

Finding the Fourth Proportional to 115,750.23, 159,741.53 and 64,759.92

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Solution

The fourth proportional to 115,750.23, 159,741.53 and 64,759.92 is: 89,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,750.23 : 159,741.53 = 64,759.92 : x
  2. Step 2: Convert to fraction form
    115,750.23/159,741.53 = 64,759.92/x
  3. Step 3: Cross multiply
    115,750.23x = 159,741.53 × 64,759.92
  4. Step 4: Simplify right side
    115,750.23x = 10,344,848,703.48
  5. Step 5: Solve for x
    x = 10,344,848,703.48/115,750.23
  6. Step 6: Final answer
    x = 89,372.17

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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.