Home / 170,985.54-235,958.76-94,509.78

Finding the Fourth Proportional to 170,985.54, 235,958.76 and 94,509.78

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Solution

The fourth proportional to 170,985.54, 235,958.76 and 94,509.78 is: 130,422.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,985.54 : 235,958.76 = 94,509.78 : x
  2. Step 2: Convert to fraction form
    170,985.54/235,958.76 = 94,509.78/x
  3. Step 3: Cross multiply
    170,985.54x = 235,958.76 × 94,509.78
  4. Step 4: Simplify right side
    170,985.54x = 22,300,410,496.67
  5. Step 5: Solve for x
    x = 22,300,410,496.67/170,985.54
  6. Step 6: Final answer
    x = 130,422.79

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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.