Home / 214,060.80-320,702.40-130,857.60

Finding the Fourth Proportional to 214,060.80, 320,702.40 and 130,857.60

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Solution

The fourth proportional to 214,060.80, 320,702.40 and 130,857.60 is: 196,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,060.80 : 320,702.40 = 130,857.60 : x
  2. Step 2: Convert to fraction form
    214,060.80/320,702.40 = 130,857.60/x
  3. Step 3: Cross multiply
    214,060.80x = 320,702.40 × 130,857.60
  4. Step 4: Simplify right side
    214,060.80x = 41,966,346,378.24
  5. Step 5: Solve for x
    x = 41,966,346,378.24/214,060.80
  6. Step 6: Final answer
    x = 196,048.72

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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.