Home / 171,226.74-256,883.93-100,209.18

Finding the Fourth Proportional to 171,226.74, 256,883.93 and 100,209.18

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Solution

The fourth proportional to 171,226.74, 256,883.93 and 100,209.18 is: 150,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,226.74 : 256,883.93 = 100,209.18 : x
  2. Step 2: Convert to fraction form
    171,226.74/256,883.93 = 100,209.18/x
  3. Step 3: Cross multiply
    171,226.74x = 256,883.93 × 100,209.18
  4. Step 4: Simplify right side
    171,226.74x = 25,742,127,980.48
  5. Step 5: Solve for x
    x = 25,742,127,980.48/171,226.74
  6. Step 6: Final answer
    x = 150,339.42

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1.5x scale

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.