Home / 190,841.96-286,262.94-72,485.30

Finding the Fourth Proportional to 190,841.96, 286,262.94 and 72,485.30

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Solution

The fourth proportional to 190,841.96, 286,262.94 and 72,485.30 is: 108,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,841.96 : 286,262.94 = 72,485.30 : x
  2. Step 2: Convert to fraction form
    190,841.96/286,262.94 = 72,485.30/x
  3. Step 3: Cross multiply
    190,841.96x = 286,262.94 × 72,485.30
  4. Step 4: Simplify right side
    190,841.96x = 20,749,855,084.78
  5. Step 5: Solve for x
    x = 20,749,855,084.78/190,841.96
  6. Step 6: Final answer
    x = 108,727.95

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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.