Home / 141,623.80-212,435.70-99,230.20

Finding the Fourth Proportional to 141,623.80, 212,435.70 and 99,230.20

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Solution

The fourth proportional to 141,623.80, 212,435.70 and 99,230.20 is: 148,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,623.80 : 212,435.70 = 99,230.20 : x
  2. Step 2: Convert to fraction form
    141,623.80/212,435.70 = 99,230.20/x
  3. Step 3: Cross multiply
    141,623.80x = 212,435.70 × 99,230.20
  4. Step 4: Simplify right side
    141,623.80x = 21,080,036,998.14
  5. Step 5: Solve for x
    x = 21,080,036,998.14/141,623.80
  6. Step 6: Final answer
    x = 148,845.30

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1.5x scale

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.