Home / 146,254.20-219,381.30-121,322.40

Finding the Fourth Proportional to 146,254.20, 219,381.30 and 121,322.40

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Solution

The fourth proportional to 146,254.20, 219,381.30 and 121,322.40 is: 181,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,254.20 : 219,381.30 = 121,322.40 : x
  2. Step 2: Convert to fraction form
    146,254.20/219,381.30 = 121,322.40/x
  3. Step 3: Cross multiply
    146,254.20x = 219,381.30 × 121,322.40
  4. Step 4: Simplify right side
    146,254.20x = 26,615,865,831.12
  5. Step 5: Solve for x
    x = 26,615,865,831.12/146,254.20
  6. Step 6: Final answer
    x = 181,983.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.