Home / 222,562.50-307,136.28-121,958.34

Finding the Fourth Proportional to 222,562.50, 307,136.28 and 121,958.34

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Solution

The fourth proportional to 222,562.50, 307,136.28 and 121,958.34 is: 168,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,562.50 : 307,136.28 = 121,958.34 : x
  2. Step 2: Convert to fraction form
    222,562.50/307,136.28 = 121,958.34/x
  3. Step 3: Cross multiply
    222,562.50x = 307,136.28 × 121,958.34
  4. Step 4: Simplify right side
    222,562.50x = 37,457,830,862.58
  5. Step 5: Solve for x
    x = 37,457,830,862.58/222,562.50
  6. Step 6: Final answer
    x = 168,302.53

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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.