Home / 204,031.80-305,746.38-98,725.32

Finding the Fourth Proportional to 204,031.80, 305,746.38 and 98,725.32

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Solution

The fourth proportional to 204,031.80, 305,746.38 and 98,725.32 is: 147,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,031.80 : 305,746.38 = 98,725.32 : x
  2. Step 2: Convert to fraction form
    204,031.80/305,746.38 = 98,725.32/x
  3. Step 3: Cross multiply
    204,031.80x = 305,746.38 × 98,725.32
  4. Step 4: Simplify right side
    204,031.80x = 30,184,909,204.34
  5. Step 5: Solve for x
    x = 30,184,909,204.34/204,031.80
  6. Step 6: Final answer
    x = 147,942.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.