Home / 142,244.91-213,369.12-42,408.36

Finding the Fourth Proportional to 142,244.91, 213,369.12 and 42,408.36

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Solution

The fourth proportional to 142,244.91, 213,369.12 and 42,408.36 is: 63,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,244.91 : 213,369.12 = 42,408.36 : x
  2. Step 2: Convert to fraction form
    142,244.91/213,369.12 = 42,408.36/x
  3. Step 3: Cross multiply
    142,244.91x = 213,369.12 × 42,408.36
  4. Step 4: Simplify right side
    142,244.91x = 9,048,634,453.84
  5. Step 5: Solve for x
    x = 9,048,634,453.84/142,244.91
  6. Step 6: Final answer
    x = 63,613.06

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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.