Home / 130,668.95-196,058.55-71,435.42

Finding the Fourth Proportional to 130,668.95, 196,058.55 and 71,435.42

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Solution

The fourth proportional to 130,668.95, 196,058.55 and 71,435.42 is: 107,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,668.95 : 196,058.55 = 71,435.42 : x
  2. Step 2: Convert to fraction form
    130,668.95/196,058.55 = 71,435.42/x
  3. Step 3: Cross multiply
    130,668.95x = 196,058.55 × 71,435.42
  4. Step 4: Simplify right side
    130,668.95x = 14,005,523,883.55
  5. Step 5: Solve for x
    x = 14,005,523,883.55/130,668.95
  6. Step 6: Final answer
    x = 107,183.26

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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.