Home / 117,969.13-176,952.61-47,831.77

Finding the Fourth Proportional to 117,969.13, 176,952.61 and 47,831.77

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Solution

The fourth proportional to 117,969.13, 176,952.61 and 47,831.77 is: 71,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,969.13 : 176,952.61 = 47,831.77 : x
  2. Step 2: Convert to fraction form
    117,969.13/176,952.61 = 47,831.77/x
  3. Step 3: Cross multiply
    117,969.13x = 176,952.61 × 47,831.77
  4. Step 4: Simplify right side
    117,969.13x = 8,463,956,542.42
  5. Step 5: Solve for x
    x = 8,463,956,542.42/117,969.13
  6. Step 6: Final answer
    x = 71,747.22

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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.