Home / 189,835.53-284,831.87-83,164.31

Finding the Fourth Proportional to 189,835.53, 284,831.87 and 83,164.31

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Solution

The fourth proportional to 189,835.53, 284,831.87 and 83,164.31 is: 124,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,835.53 : 284,831.87 = 83,164.31 : x
  2. Step 2: Convert to fraction form
    189,835.53/284,831.87 = 83,164.31/x
  3. Step 3: Cross multiply
    189,835.53x = 284,831.87 × 83,164.31
  4. Step 4: Simplify right side
    189,835.53x = 23,687,844,094.58
  5. Step 5: Solve for x
    x = 23,687,844,094.58/189,835.53
  6. Step 6: Final answer
    x = 124,780.88

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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.