Home / 212,195.57-292,831.85-115,400.35

Finding the Fourth Proportional to 212,195.57, 292,831.85 and 115,400.35

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Solution

The fourth proportional to 212,195.57, 292,831.85 and 115,400.35 is: 159,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,195.57 : 292,831.85 = 115,400.35 : x
  2. Step 2: Convert to fraction form
    212,195.57/292,831.85 = 115,400.35/x
  3. Step 3: Cross multiply
    212,195.57x = 292,831.85 × 115,400.35
  4. Step 4: Simplify right side
    212,195.57x = 33,792,897,537.57
  5. Step 5: Solve for x
    x = 33,792,897,537.57/212,195.57
  6. Step 6: Final answer
    x = 159,253.55

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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.