Home / 140,294.32-210,525.36-51,556.80

Finding the Fourth Proportional to 140,294.32, 210,525.36 and 51,556.80

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Solution

The fourth proportional to 140,294.32, 210,525.36 and 51,556.80 is: 77,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,294.32 : 210,525.36 = 51,556.80 : x
  2. Step 2: Convert to fraction form
    140,294.32/210,525.36 = 51,556.80/x
  3. Step 3: Cross multiply
    140,294.32x = 210,525.36 × 51,556.80
  4. Step 4: Simplify right side
    140,294.32x = 10,854,013,880.45
  5. Step 5: Solve for x
    x = 10,854,013,880.45/140,294.32
  6. Step 6: Final answer
    x = 77,366.03

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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.