Home / 140,452.02-210,661.62-56,208.78

Finding the Fourth Proportional to 140,452.02, 210,661.62 and 56,208.78

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Solution

The fourth proportional to 140,452.02, 210,661.62 and 56,208.78 is: 84,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,452.02 : 210,661.62 = 56,208.78 : x
  2. Step 2: Convert to fraction form
    140,452.02/210,661.62 = 56,208.78/x
  3. Step 3: Cross multiply
    140,452.02x = 210,661.62 × 56,208.78
  4. Step 4: Simplify right side
    140,452.02x = 11,841,032,653.02
  5. Step 5: Solve for x
    x = 11,841,032,653.02/140,452.02
  6. Step 6: Final answer
    x = 84,306.60

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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.