Home / 115,989.86-174,002.07-53,666.66

Finding the Fourth Proportional to 115,989.86, 174,002.07 and 53,666.66

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Solution

The fourth proportional to 115,989.86, 174,002.07 and 53,666.66 is: 80,507.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,989.86 : 174,002.07 = 53,666.66 : x
  2. Step 2: Convert to fraction form
    115,989.86/174,002.07 = 53,666.66/x
  3. Step 3: Cross multiply
    115,989.86x = 174,002.07 × 53,666.66
  4. Step 4: Simplify right side
    115,989.86x = 9,338,109,929.99
  5. Step 5: Solve for x
    x = 9,338,109,929.99/115,989.86
  6. Step 6: Final answer
    x = 80,507.99

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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.