Home / 129,831.62-179,175.93-73,222.34

Finding the Fourth Proportional to 129,831.62, 179,175.93 and 73,222.34

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Solution

The fourth proportional to 129,831.62, 179,175.93 and 73,222.34 is: 101,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,831.62 : 179,175.93 = 73,222.34 : x
  2. Step 2: Convert to fraction form
    129,831.62/179,175.93 = 73,222.34/x
  3. Step 3: Cross multiply
    129,831.62x = 179,175.93 × 73,222.34
  4. Step 4: Simplify right side
    129,831.62x = 13,119,680,866.28
  5. Step 5: Solve for x
    x = 13,119,680,866.28/129,831.62
  6. Step 6: Final answer
    x = 101,051.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.