Home / 142,464.41-213,507.86-75,760.91

Finding the Fourth Proportional to 142,464.41, 213,507.86 and 75,760.91

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Solution

The fourth proportional to 142,464.41, 213,507.86 and 75,760.91 is: 113,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,464.41 : 213,507.86 = 75,760.91 : x
  2. Step 2: Convert to fraction form
    142,464.41/213,507.86 = 75,760.91/x
  3. Step 3: Cross multiply
    142,464.41x = 213,507.86 × 75,760.91
  4. Step 4: Simplify right side
    142,464.41x = 16,175,549,386.95
  5. Step 5: Solve for x
    x = 16,175,549,386.95/142,464.41
  6. Step 6: Final answer
    x = 113,540.98

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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.