Home / 222,102.15-306,482.13-131,442.18

Finding the Fourth Proportional to 222,102.15, 306,482.13 and 131,442.18

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Solution

The fourth proportional to 222,102.15, 306,482.13 and 131,442.18 is: 181,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,102.15 : 306,482.13 = 131,442.18 : x
  2. Step 2: Convert to fraction form
    222,102.15/306,482.13 = 131,442.18/x
  3. Step 3: Cross multiply
    222,102.15x = 306,482.13 × 131,442.18
  4. Step 4: Simplify right side
    222,102.15x = 40,284,679,298.24
  5. Step 5: Solve for x
    x = 40,284,679,298.24/222,102.15
  6. Step 6: Final answer
    x = 181,379.06

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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.