Home / 124,022.32-186,028.56-52,915.60

Finding the Fourth Proportional to 124,022.32, 186,028.56 and 52,915.60

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Solution

The fourth proportional to 124,022.32, 186,028.56 and 52,915.60 is: 79,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,022.32 : 186,028.56 = 52,915.60 : x
  2. Step 2: Convert to fraction form
    124,022.32/186,028.56 = 52,915.60/x
  3. Step 3: Cross multiply
    124,022.32x = 186,028.56 × 52,915.60
  4. Step 4: Simplify right side
    124,022.32x = 9,843,812,869.54
  5. Step 5: Solve for x
    x = 9,843,812,869.54/124,022.32
  6. Step 6: Final answer
    x = 79,371.30

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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.