Home / 149,985.36-206,559.72-146,719.44

Finding the Fourth Proportional to 149,985.36, 206,559.72 and 146,719.44

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Solution

The fourth proportional to 149,985.36, 206,559.72 and 146,719.44 is: 202,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,985.36 : 206,559.72 = 146,719.44 : x
  2. Step 2: Convert to fraction form
    149,985.36/206,559.72 = 146,719.44/x
  3. Step 3: Cross multiply
    149,985.36x = 206,559.72 × 146,719.44
  4. Step 4: Simplify right side
    149,985.36x = 30,306,326,444.96
  5. Step 5: Solve for x
    x = 30,306,326,444.96/149,985.36
  6. Step 6: Final answer
    x = 202,061.90

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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.