Home / 196,182.28-270,740.44-115,613.20

Finding the Fourth Proportional to 196,182.28, 270,740.44 and 115,613.20

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Solution

The fourth proportional to 196,182.28, 270,740.44 and 115,613.20 is: 159,551.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,182.28 : 270,740.44 = 115,613.20 : x
  2. Step 2: Convert to fraction form
    196,182.28/270,740.44 = 115,613.20/x
  3. Step 3: Cross multiply
    196,182.28x = 270,740.44 × 115,613.20
  4. Step 4: Simplify right side
    196,182.28x = 31,301,168,637.81
  5. Step 5: Solve for x
    x = 31,301,168,637.81/196,182.28
  6. Step 6: Final answer
    x = 159,551.46

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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.