Home / 113,831.80-170,731.64-71,583.06

Finding the Fourth Proportional to 113,831.80, 170,731.64 and 71,583.06

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Solution

The fourth proportional to 113,831.80, 170,731.64 and 71,583.06 is: 107,364.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,831.80 : 170,731.64 = 71,583.06 : x
  2. Step 2: Convert to fraction form
    113,831.80/170,731.64 = 71,583.06/x
  3. Step 3: Cross multiply
    113,831.80x = 170,731.64 × 71,583.06
  4. Step 4: Simplify right side
    113,831.80x = 12,221,493,230.02
  5. Step 5: Solve for x
    x = 12,221,493,230.02/113,831.80
  6. Step 6: Final answer
    x = 107,364.49

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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.