Home / 141,980.40-212,996.10-48,464.28

Finding the Fourth Proportional to 141,980.40, 212,996.10 and 48,464.28

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Solution

The fourth proportional to 141,980.40, 212,996.10 and 48,464.28 is: 72,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,980.40 : 212,996.10 = 48,464.28 : x
  2. Step 2: Convert to fraction form
    141,980.40/212,996.10 = 48,464.28/x
  3. Step 3: Cross multiply
    141,980.40x = 212,996.10 × 48,464.28
  4. Step 4: Simplify right side
    141,980.40x = 10,322,702,629.31
  5. Step 5: Solve for x
    x = 10,322,702,629.31/141,980.40
  6. Step 6: Final answer
    x = 72,705.12

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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.