Home / 165,831.84-228,848.16-90,380.34

Finding the Fourth Proportional to 165,831.84, 228,848.16 and 90,380.34

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Solution

The fourth proportional to 165,831.84, 228,848.16 and 90,380.34 is: 124,724.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,831.84 : 228,848.16 = 90,380.34 : x
  2. Step 2: Convert to fraction form
    165,831.84/228,848.16 = 90,380.34/x
  3. Step 3: Cross multiply
    165,831.84x = 228,848.16 × 90,380.34
  4. Step 4: Simplify right side
    165,831.84x = 20,683,374,509.17
  5. Step 5: Solve for x
    x = 20,683,374,509.17/165,831.84
  6. Step 6: Final answer
    x = 124,724.99

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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.