Home / 115,490.07-173,292.57-64,857.69

Finding the Fourth Proportional to 115,490.07, 173,292.57 and 64,857.69

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Solution

The fourth proportional to 115,490.07, 173,292.57 and 64,857.69 is: 97,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,490.07 : 173,292.57 = 64,857.69 : x
  2. Step 2: Convert to fraction form
    115,490.07/173,292.57 = 64,857.69/x
  3. Step 3: Cross multiply
    115,490.07x = 173,292.57 × 64,857.69
  4. Step 4: Simplify right side
    115,490.07x = 11,239,355,784.36
  5. Step 5: Solve for x
    x = 11,239,355,784.36/115,490.07
  6. Step 6: Final answer
    x = 97,318.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.