Home / 74,197.02-102,392.16-40,205.54

Finding the Fourth Proportional to 74,197.02, 102,392.16 and 40,205.54

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Solution

The fourth proportional to 74,197.02, 102,392.16 and 40,205.54 is: 55,483.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,197.02 : 102,392.16 = 40,205.54 : x
  2. Step 2: Convert to fraction form
    74,197.02/102,392.16 = 40,205.54/x
  3. Step 3: Cross multiply
    74,197.02x = 102,392.16 × 40,205.54
  4. Step 4: Simplify right side
    74,197.02x = 4,116,732,084.57
  5. Step 5: Solve for x
    x = 4,116,732,084.57/74,197.02
  6. Step 6: Final answer
    x = 55,483.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.