Home / 199,557.28-275,389.86-108,915.16

Finding the Fourth Proportional to 199,557.28, 275,389.86 and 108,915.16

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Solution

The fourth proportional to 199,557.28, 275,389.86 and 108,915.16 is: 150,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,557.28 : 275,389.86 = 108,915.16 : x
  2. Step 2: Convert to fraction form
    199,557.28/275,389.86 = 108,915.16/x
  3. Step 3: Cross multiply
    199,557.28x = 275,389.86 × 108,915.16
  4. Step 4: Simplify right side
    199,557.28x = 29,994,130,664.28
  5. Step 5: Solve for x
    x = 29,994,130,664.28/199,557.28
  6. Step 6: Final answer
    x = 150,303.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.