Home / 253,621.89-350,023.71-140,444.64

Finding the Fourth Proportional to 253,621.89, 350,023.71 and 140,444.64

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Solution

The fourth proportional to 253,621.89, 350,023.71 and 140,444.64 is: 193,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,621.89 : 350,023.71 = 140,444.64 : x
  2. Step 2: Convert to fraction form
    253,621.89/350,023.71 = 140,444.64/x
  3. Step 3: Cross multiply
    253,621.89x = 350,023.71 × 140,444.64
  4. Step 4: Simplify right side
    253,621.89x = 49,158,953,942.41
  5. Step 5: Solve for x
    x = 49,158,953,942.41/253,621.89
  6. Step 6: Final answer
    x = 193,827.72

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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.