Home / 190,738.08-286,210.80-80,007.84

Finding the Fourth Proportional to 190,738.08, 286,210.80 and 80,007.84

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Solution

The fourth proportional to 190,738.08, 286,210.80 and 80,007.84 is: 120,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,738.08 : 286,210.80 = 80,007.84 : x
  2. Step 2: Convert to fraction form
    190,738.08/286,210.80 = 80,007.84/x
  3. Step 3: Cross multiply
    190,738.08x = 286,210.80 × 80,007.84
  4. Step 4: Simplify right side
    190,738.08x = 22,899,107,892.67
  5. Step 5: Solve for x
    x = 22,899,107,892.67/190,738.08
  6. Step 6: Final answer
    x = 120,055.25

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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.