Home / 170,412.90-255,619.35-107,427.30

Finding the Fourth Proportional to 170,412.90, 255,619.35 and 107,427.30

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Solution

The fourth proportional to 170,412.90, 255,619.35 and 107,427.30 is: 161,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,412.90 : 255,619.35 = 107,427.30 : x
  2. Step 2: Convert to fraction form
    170,412.90/255,619.35 = 107,427.30/x
  3. Step 3: Cross multiply
    170,412.90x = 255,619.35 × 107,427.30
  4. Step 4: Simplify right side
    170,412.90x = 27,460,496,598.26
  5. Step 5: Solve for x
    x = 27,460,496,598.26/170,412.90
  6. Step 6: Final answer
    x = 161,140.95

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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.