Home / 190,872.40-286,308.60-164,045.20

Finding the Fourth Proportional to 190,872.40, 286,308.60 and 164,045.20

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Solution

The fourth proportional to 190,872.40, 286,308.60 and 164,045.20 is: 246,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,872.40 : 286,308.60 = 164,045.20 : x
  2. Step 2: Convert to fraction form
    190,872.40/286,308.60 = 164,045.20/x
  3. Step 3: Cross multiply
    190,872.40x = 286,308.60 × 164,045.20
  4. Step 4: Simplify right side
    190,872.40x = 46,967,551,548.72
  5. Step 5: Solve for x
    x = 46,967,551,548.72/190,872.40
  6. Step 6: Final answer
    x = 246,067.80

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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.