Home / 140,319.20-210,561.84-51,634.98

Finding the Fourth Proportional to 140,319.20, 210,561.84 and 51,634.98

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Solution

The fourth proportional to 140,319.20, 210,561.84 and 51,634.98 is: 77,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,319.20 : 210,561.84 = 51,634.98 : x
  2. Step 2: Convert to fraction form
    140,319.20/210,561.84 = 51,634.98/x
  3. Step 3: Cross multiply
    140,319.20x = 210,561.84 × 51,634.98
  4. Step 4: Simplify right side
    140,319.20x = 10,872,356,397.16
  5. Step 5: Solve for x
    x = 10,872,356,397.16/140,319.20
  6. Step 6: Final answer
    x = 77,483.03

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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.