Home / 219,433.90-302,939.30-137,847.26

Finding the Fourth Proportional to 219,433.90, 302,939.30 and 137,847.26

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Solution

The fourth proportional to 219,433.90, 302,939.30 and 137,847.26 is: 190,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,433.90 : 302,939.30 = 137,847.26 : x
  2. Step 2: Convert to fraction form
    219,433.90/302,939.30 = 137,847.26/x
  3. Step 3: Cross multiply
    219,433.90x = 302,939.30 × 137,847.26
  4. Step 4: Simplify right side
    219,433.90x = 41,759,352,451.32
  5. Step 5: Solve for x
    x = 41,759,352,451.32/219,433.90
  6. Step 6: Final answer
    x = 190,304.93

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1.5x scale

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.