Home / 140,153.07-210,263.09-45,383.36

Finding the Fourth Proportional to 140,153.07, 210,263.09 and 45,383.36

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Solution

The fourth proportional to 140,153.07, 210,263.09 and 45,383.36 is: 68,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,153.07 : 210,263.09 = 45,383.36 : x
  2. Step 2: Convert to fraction form
    140,153.07/210,263.09 = 45,383.36/x
  3. Step 3: Cross multiply
    140,153.07x = 210,263.09 × 45,383.36
  4. Step 4: Simplify right side
    140,153.07x = 9,542,444,485.23
  5. Step 5: Solve for x
    x = 9,542,444,485.23/140,153.07
  6. Step 6: Final answer
    x = 68,085.88

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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.