Home / 191,831.43-264,894.53-120,334.35

Finding the Fourth Proportional to 191,831.43, 264,894.53 and 120,334.35

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Solution

The fourth proportional to 191,831.43, 264,894.53 and 120,334.35 is: 166,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,831.43 : 264,894.53 = 120,334.35 : x
  2. Step 2: Convert to fraction form
    191,831.43/264,894.53 = 120,334.35/x
  3. Step 3: Cross multiply
    191,831.43x = 264,894.53 × 120,334.35
  4. Step 4: Simplify right side
    191,831.43x = 31,875,910,484.43
  5. Step 5: Solve for x
    x = 31,875,910,484.43/191,831.43
  6. Step 6: Final answer
    x = 166,166.26

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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.