Home / 158,831.63-219,236.85-102,243

Finding the Fourth Proportional to 158,831.63, 219,236.85 and 102,243

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Solution

The fourth proportional to 158,831.63, 219,236.85 and 102,243 is: 141,127.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,831.63 : 219,236.85 = 102,243 : x
  2. Step 2: Convert to fraction form
    158,831.63/219,236.85 = 102,243/x
  3. Step 3: Cross multiply
    158,831.63x = 219,236.85 × 102,243
  4. Step 4: Simplify right side
    158,831.63x = 22,415,433,254.55
  5. Step 5: Solve for x
    x = 22,415,433,254.55/158,831.63
  6. Step 6: Final answer
    x = 141,127.02

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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.