Home / 145,167-217,764.24-56,427.36

Finding the Fourth Proportional to 145,167, 217,764.24 and 56,427.36

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Solution

The fourth proportional to 145,167, 217,764.24 and 56,427.36 is: 84,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,167 : 217,764.24 = 56,427.36 : x
  2. Step 2: Convert to fraction form
    145,167/217,764.24 = 56,427.36/x
  3. Step 3: Cross multiply
    145,167x = 217,764.24 × 56,427.36
  4. Step 4: Simplify right side
    145,167x = 12,287,861,165.61
  5. Step 5: Solve for x
    x = 12,287,861,165.61/145,167
  6. Step 6: Final answer
    x = 84,646.38

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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.