Home / 146,980.20-219,887.10-127,475.40

Finding the Fourth Proportional to 146,980.20, 219,887.10 and 127,475.40

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Solution

The fourth proportional to 146,980.20, 219,887.10 and 127,475.40 is: 190,707.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,980.20 : 219,887.10 = 127,475.40 : x
  2. Step 2: Convert to fraction form
    146,980.20/219,887.10 = 127,475.40/x
  3. Step 3: Cross multiply
    146,980.20x = 219,887.10 × 127,475.40
  4. Step 4: Simplify right side
    146,980.20x = 28,030,196,027.34
  5. Step 5: Solve for x
    x = 28,030,196,027.34/146,980.20
  6. Step 6: Final answer
    x = 190,707.29

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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.