Home / 180,408.42-248,959.86-99,831.15

Finding the Fourth Proportional to 180,408.42, 248,959.86 and 99,831.15

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Solution

The fourth proportional to 180,408.42, 248,959.86 and 99,831.15 is: 137,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,408.42 : 248,959.86 = 99,831.15 : x
  2. Step 2: Convert to fraction form
    180,408.42/248,959.86 = 99,831.15/x
  3. Step 3: Cross multiply
    180,408.42x = 248,959.86 × 99,831.15
  4. Step 4: Simplify right side
    180,408.42x = 24,853,949,127.64
  5. Step 5: Solve for x
    x = 24,853,949,127.64/180,408.42
  6. Step 6: Final answer
    x = 137,764.91

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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.