Home / 115,835.86-159,844.70-64,836.94

Finding the Fourth Proportional to 115,835.86, 159,844.70 and 64,836.94

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Solution

The fourth proportional to 115,835.86, 159,844.70 and 64,836.94 is: 89,470.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,835.86 : 159,844.70 = 64,836.94 : x
  2. Step 2: Convert to fraction form
    115,835.86/159,844.70 = 64,836.94/x
  3. Step 3: Cross multiply
    115,835.86x = 159,844.70 × 64,836.94
  4. Step 4: Simplify right side
    115,835.86x = 10,363,841,223.22
  5. Step 5: Solve for x
    x = 10,363,841,223.22/115,835.86
  6. Step 6: Final answer
    x = 89,470.06

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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.