Home / 190,047.86-262,271.49-105,172.82

Finding the Fourth Proportional to 190,047.86, 262,271.49 and 105,172.82

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Solution

The fourth proportional to 190,047.86, 262,271.49 and 105,172.82 is: 145,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,047.86 : 262,271.49 = 105,172.82 : x
  2. Step 2: Convert to fraction form
    190,047.86/262,271.49 = 105,172.82/x
  3. Step 3: Cross multiply
    190,047.86x = 262,271.49 × 105,172.82
  4. Step 4: Simplify right side
    190,047.86x = 27,583,832,208.90
  5. Step 5: Solve for x
    x = 27,583,832,208.90/190,047.86
  6. Step 6: Final answer
    x = 145,141.50

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Why These Related Problems?

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