Home / 74,202.02-102,398.55-40,210.64

Finding the Fourth Proportional to 74,202.02, 102,398.55 and 40,210.64

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Solution

The fourth proportional to 74,202.02, 102,398.55 and 40,210.64 is: 55,490.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,202.02 : 102,398.55 = 40,210.64 : x
  2. Step 2: Convert to fraction form
    74,202.02/102,398.55 = 40,210.64/x
  3. Step 3: Cross multiply
    74,202.02x = 102,398.55 × 40,210.64
  4. Step 4: Simplify right side
    74,202.02x = 4,117,511,230.57
  5. Step 5: Solve for x
    x = 4,117,511,230.57/74,202.02
  6. Step 6: Final answer
    x = 55,490.55

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1.5x scale

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.