Home / 115,990.86-174,003.57-53,667.66

Finding the Fourth Proportional to 115,990.86, 174,003.57 and 53,667.66

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Solution

The fourth proportional to 115,990.86, 174,003.57 and 53,667.66 is: 80,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,990.86 : 174,003.57 = 53,667.66 : x
  2. Step 2: Convert to fraction form
    115,990.86/174,003.57 = 53,667.66/x
  3. Step 3: Cross multiply
    115,990.86x = 174,003.57 × 53,667.66
  4. Step 4: Simplify right side
    115,990.86x = 9,338,364,433.55
  5. Step 5: Solve for x
    x = 9,338,364,433.55/115,990.86
  6. Step 6: Final answer
    x = 80,509.49

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1.5x scale

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.