Home / 142,140.42-213,193.62-36,956.66

Finding the Fourth Proportional to 142,140.42, 213,193.62 and 36,956.66

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Solution

The fourth proportional to 142,140.42, 213,193.62 and 36,956.66 is: 55,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,140.42 : 213,193.62 = 36,956.66 : x
  2. Step 2: Convert to fraction form
    142,140.42/213,193.62 = 36,956.66/x
  3. Step 3: Cross multiply
    142,140.42x = 213,193.62 × 36,956.66
  4. Step 4: Simplify right side
    142,140.42x = 7,878,923,062.54
  5. Step 5: Solve for x
    x = 7,878,923,062.54/142,140.42
  6. Step 6: Final answer
    x = 55,430.56

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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.