Home / 206,968.10-310,452.15-73,852.70

Finding the Fourth Proportional to 206,968.10, 310,452.15 and 73,852.70

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Solution

The fourth proportional to 206,968.10, 310,452.15 and 73,852.70 is: 110,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,968.10 : 310,452.15 = 73,852.70 : x
  2. Step 2: Convert to fraction form
    206,968.10/310,452.15 = 73,852.70/x
  3. Step 3: Cross multiply
    206,968.10x = 310,452.15 × 73,852.70
  4. Step 4: Simplify right side
    206,968.10x = 22,927,729,498.31
  5. Step 5: Solve for x
    x = 22,927,729,498.31/206,968.10
  6. Step 6: Final answer
    x = 110,779.05

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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.