Home / 223,438.83-308,346.90-121,465.08

Finding the Fourth Proportional to 223,438.83, 308,346.90 and 121,465.08

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Solution

The fourth proportional to 223,438.83, 308,346.90 and 121,465.08 is: 167,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,438.83 : 308,346.90 = 121,465.08 : x
  2. Step 2: Convert to fraction form
    223,438.83/308,346.90 = 121,465.08/x
  3. Step 3: Cross multiply
    223,438.83x = 308,346.90 × 121,465.08
  4. Step 4: Simplify right side
    223,438.83x = 37,453,380,876.25
  5. Step 5: Solve for x
    x = 37,453,380,876.25/223,438.83
  6. Step 6: Final answer
    x = 167,622.53

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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.