Home / 146,853.20-220,279.80-139,271.60

Finding the Fourth Proportional to 146,853.20, 220,279.80 and 139,271.60

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Solution

The fourth proportional to 146,853.20, 220,279.80 and 139,271.60 is: 208,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,853.20 : 220,279.80 = 139,271.60 : x
  2. Step 2: Convert to fraction form
    146,853.20/220,279.80 = 139,271.60/x
  3. Step 3: Cross multiply
    146,853.20x = 220,279.80 × 139,271.60
  4. Step 4: Simplify right side
    146,853.20x = 30,678,720,193.68
  5. Step 5: Solve for x
    x = 30,678,720,193.68/146,853.20
  6. Step 6: Final answer
    x = 208,907.40

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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.