Home / 147,913.24-203,690.28-128,524

Finding the Fourth Proportional to 147,913.24, 203,690.28 and 128,524

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Solution

The fourth proportional to 147,913.24, 203,690.28 and 128,524 is: 176,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,913.24 : 203,690.28 = 128,524 : x
  2. Step 2: Convert to fraction form
    147,913.24/203,690.28 = 128,524/x
  3. Step 3: Cross multiply
    147,913.24x = 203,690.28 × 128,524
  4. Step 4: Simplify right side
    147,913.24x = 26,179,089,546.72
  5. Step 5: Solve for x
    x = 26,179,089,546.72/147,913.24
  6. Step 6: Final answer
    x = 176,989.49

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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.