Home / 196,038.42-270,491.22-115,436.52

Finding the Fourth Proportional to 196,038.42, 270,491.22 and 115,436.52

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Solution

The fourth proportional to 196,038.42, 270,491.22 and 115,436.52 is: 159,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,038.42 : 270,491.22 = 115,436.52 : x
  2. Step 2: Convert to fraction form
    196,038.42/270,491.22 = 115,436.52/x
  3. Step 3: Cross multiply
    196,038.42x = 270,491.22 × 115,436.52
  4. Step 4: Simplify right side
    196,038.42x = 31,224,565,127.35
  5. Step 5: Solve for x
    x = 31,224,565,127.35/196,038.42
  6. Step 6: Final answer
    x = 159,277.78

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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.