Home / 115,615.20-173,434.32-31,376.73

Finding the Fourth Proportional to 115,615.20, 173,434.32 and 31,376.73

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Solution

The fourth proportional to 115,615.20, 173,434.32 and 31,376.73 is: 47,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,615.20 : 173,434.32 = 31,376.73 : x
  2. Step 2: Convert to fraction form
    115,615.20/173,434.32 = 31,376.73/x
  3. Step 3: Cross multiply
    115,615.20x = 173,434.32 × 31,376.73
  4. Step 4: Simplify right side
    115,615.20x = 5,441,801,831.37
  5. Step 5: Solve for x
    x = 5,441,801,831.37/115,615.20
  6. Step 6: Final answer
    x = 47,068.22

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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.