Home / 141,627.80-212,441.70-99,234.20

Finding the Fourth Proportional to 141,627.80, 212,441.70 and 99,234.20

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Solution

The fourth proportional to 141,627.80, 212,441.70 and 99,234.20 is: 148,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,627.80 : 212,441.70 = 99,234.20 : x
  2. Step 2: Convert to fraction form
    141,627.80/212,441.70 = 99,234.20/x
  3. Step 3: Cross multiply
    141,627.80x = 212,441.70 × 99,234.20
  4. Step 4: Simplify right side
    141,627.80x = 21,081,482,146.14
  5. Step 5: Solve for x
    x = 21,081,482,146.14/141,627.80
  6. Step 6: Final answer
    x = 148,851.30

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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.