Home / 145,309.06-200,608.72-94,367.35

Finding the Fourth Proportional to 145,309.06, 200,608.72 and 94,367.35

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Solution

The fourth proportional to 145,309.06, 200,608.72 and 94,367.35 is: 130,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,309.06 : 200,608.72 = 94,367.35 : x
  2. Step 2: Convert to fraction form
    145,309.06/200,608.72 = 94,367.35/x
  3. Step 3: Cross multiply
    145,309.06x = 200,608.72 × 94,367.35
  4. Step 4: Simplify right side
    145,309.06x = 18,930,914,030.73
  5. Step 5: Solve for x
    x = 18,930,914,030.73/145,309.06
  6. Step 6: Final answer
    x = 130,280.34

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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.