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Finding the Fourth Proportional to 170,033.60, 255,050.40 and 139,966.40

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Solution

The fourth proportional to 170,033.60, 255,050.40 and 139,966.40 is: 209,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,033.60 : 255,050.40 = 139,966.40 : x
  2. Step 2: Convert to fraction form
    170,033.60/255,050.40 = 139,966.40/x
  3. Step 3: Cross multiply
    170,033.60x = 255,050.40 × 139,966.40
  4. Step 4: Simplify right side
    170,033.60x = 35,698,486,306.56
  5. Step 5: Solve for x
    x = 35,698,486,306.56/170,033.60
  6. Step 6: Final answer
    x = 209,949.60

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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.