Home / 151,764.64-209,394.48-98,030.08

Finding the Fourth Proportional to 151,764.64, 209,394.48 and 98,030.08

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Solution

The fourth proportional to 151,764.64, 209,394.48 and 98,030.08 is: 135,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,764.64 : 209,394.48 = 98,030.08 : x
  2. Step 2: Convert to fraction form
    151,764.64/209,394.48 = 98,030.08/x
  3. Step 3: Cross multiply
    151,764.64x = 209,394.48 × 98,030.08
  4. Step 4: Simplify right side
    151,764.64x = 20,526,957,625.96
  5. Step 5: Solve for x
    x = 20,526,957,625.96/151,764.64
  6. Step 6: Final answer
    x = 135,255.21

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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.