Home / 146,420.81-219,685.88-57,736.13

Finding the Fourth Proportional to 146,420.81, 219,685.88 and 57,736.13

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Solution

The fourth proportional to 146,420.81, 219,685.88 and 57,736.13 is: 86,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,420.81 : 219,685.88 = 57,736.13 : x
  2. Step 2: Convert to fraction form
    146,420.81/219,685.88 = 57,736.13/x
  3. Step 3: Cross multiply
    146,420.81x = 219,685.88 × 57,736.13
  4. Step 4: Simplify right side
    146,420.81x = 12,683,811,139.73
  5. Step 5: Solve for x
    x = 12,683,811,139.73/146,420.81
  6. Step 6: Final answer
    x = 86,625.74

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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.