Home / 285,531.38-428,303.95-95,994.21

Finding the Fourth Proportional to 285,531.38, 428,303.95 and 95,994.21

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Solution

The fourth proportional to 285,531.38, 428,303.95 and 95,994.21 is: 143,993.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,531.38 : 428,303.95 = 95,994.21 : x
  2. Step 2: Convert to fraction form
    285,531.38/428,303.95 = 95,994.21/x
  3. Step 3: Cross multiply
    285,531.38x = 428,303.95 × 95,994.21
  4. Step 4: Simplify right side
    285,531.38x = 41,114,699,080.14
  5. Step 5: Solve for x
    x = 41,114,699,080.14/285,531.38
  6. Step 6: Final answer
    x = 143,993.63

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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.