Home / 140,140.26-210,085.40-51,373.05

Finding the Fourth Proportional to 140,140.26, 210,085.40 and 51,373.05

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Solution

The fourth proportional to 140,140.26, 210,085.40 and 51,373.05 is: 77,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,140.26 : 210,085.40 = 51,373.05 : x
  2. Step 2: Convert to fraction form
    140,140.26/210,085.40 = 51,373.05/x
  3. Step 3: Cross multiply
    140,140.26x = 210,085.40 × 51,373.05
  4. Step 4: Simplify right side
    140,140.26x = 10,792,726,713.78
  5. Step 5: Solve for x
    x = 10,792,726,713.78/140,140.26
  6. Step 6: Final answer
    x = 77,013.75

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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.