Home / 222,636.74-307,030.30-142,116.26

Finding the Fourth Proportional to 222,636.74, 307,030.30 and 142,116.26

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Solution

The fourth proportional to 222,636.74, 307,030.30 and 142,116.26 is: 195,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,636.74 : 307,030.30 = 142,116.26 : x
  2. Step 2: Convert to fraction form
    222,636.74/307,030.30 = 142,116.26/x
  3. Step 3: Cross multiply
    222,636.74x = 307,030.30 × 142,116.26
  4. Step 4: Simplify right side
    222,636.74x = 43,633,996,052.24
  5. Step 5: Solve for x
    x = 43,633,996,052.24/222,636.74
  6. Step 6: Final answer
    x = 195,987.41

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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.