Home / 190,210.21-262,486.85-105,325.45

Finding the Fourth Proportional to 190,210.21, 262,486.85 and 105,325.45

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Solution

The fourth proportional to 190,210.21, 262,486.85 and 105,325.45 is: 145,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,210.21 : 262,486.85 = 105,325.45 : x
  2. Step 2: Convert to fraction form
    190,210.21/262,486.85 = 105,325.45/x
  3. Step 3: Cross multiply
    190,210.21x = 262,486.85 × 105,325.45
  4. Step 4: Simplify right side
    190,210.21x = 27,646,544,412.49
  5. Step 5: Solve for x
    x = 27,646,544,412.49/190,210.21
  6. Step 6: Final answer
    x = 145,347.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.