Home / 199,410.07-299,050.40-66,254.58

Finding the Fourth Proportional to 199,410.07, 299,050.40 and 66,254.58

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Solution

The fourth proportional to 199,410.07, 299,050.40 and 66,254.58 is: 99,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,410.07 : 299,050.40 = 66,254.58 : x
  2. Step 2: Convert to fraction form
    199,410.07/299,050.40 = 66,254.58/x
  3. Step 3: Cross multiply
    199,410.07x = 299,050.40 × 66,254.58
  4. Step 4: Simplify right side
    199,410.07x = 19,813,456,824.31
  5. Step 5: Solve for x
    x = 19,813,456,824.31/199,410.07
  6. Step 6: Final answer
    x = 99,360.36

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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.