Home / 163,391.40-245,087.10-123,533.33

Finding the Fourth Proportional to 163,391.40, 245,087.10 and 123,533.33

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Solution

The fourth proportional to 163,391.40, 245,087.10 and 123,533.33 is: 185,299.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,391.40 : 245,087.10 = 123,533.33 : x
  2. Step 2: Convert to fraction form
    163,391.40/245,087.10 = 123,533.33/x
  3. Step 3: Cross multiply
    163,391.40x = 245,087.10 × 123,533.33
  4. Step 4: Simplify right side
    163,391.40x = 30,276,424,377.61
  5. Step 5: Solve for x
    x = 30,276,424,377.61/163,391.40
  6. Step 6: Final answer
    x = 185,299.99

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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.