Home / 115,476.24-159,355.74-64,489.86

Finding the Fourth Proportional to 115,476.24, 159,355.74 and 64,489.86

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Solution

The fourth proportional to 115,476.24, 159,355.74 and 64,489.86 is: 88,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,476.24 : 159,355.74 = 64,489.86 : x
  2. Step 2: Convert to fraction form
    115,476.24/159,355.74 = 64,489.86/x
  3. Step 3: Cross multiply
    115,476.24x = 159,355.74 × 64,489.86
  4. Step 4: Simplify right side
    115,476.24x = 10,276,829,362.80
  5. Step 5: Solve for x
    x = 10,276,829,362.80/115,476.24
  6. Step 6: Final answer
    x = 88,995.19

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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.