Home / 223,467.31-308,388.26-121,492.53

Finding the Fourth Proportional to 223,467.31, 308,388.26 and 121,492.53

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Solution

The fourth proportional to 223,467.31, 308,388.26 and 121,492.53 is: 167,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,467.31 : 308,388.26 = 121,492.53 : x
  2. Step 2: Convert to fraction form
    223,467.31/308,388.26 = 121,492.53/x
  3. Step 3: Cross multiply
    223,467.31x = 308,388.26 × 121,492.53
  4. Step 4: Simplify right side
    223,467.31x = 37,466,869,322.24
  5. Step 5: Solve for x
    x = 37,466,869,322.24/223,467.31
  6. Step 6: Final answer
    x = 167,661.52

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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.