Home / 109,675.08-151,364.30-66,656.79

Finding the Fourth Proportional to 109,675.08, 151,364.30 and 66,656.79

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Solution

The fourth proportional to 109,675.08, 151,364.30 and 66,656.79 is: 91,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,675.08 : 151,364.30 = 66,656.79 : x
  2. Step 2: Convert to fraction form
    109,675.08/151,364.30 = 66,656.79/x
  3. Step 3: Cross multiply
    109,675.08x = 151,364.30 × 66,656.79
  4. Step 4: Simplify right side
    109,675.08x = 10,089,458,025.31
  5. Step 5: Solve for x
    x = 10,089,458,025.31/109,675.08
  6. Step 6: Final answer
    x = 91,994.08

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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.