Home / 131,252.94-181,118.84-77,527.67

Finding the Fourth Proportional to 131,252.94, 181,118.84 and 77,527.67

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Solution

The fourth proportional to 131,252.94, 181,118.84 and 77,527.67 is: 106,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,252.94 : 181,118.84 = 77,527.67 : x
  2. Step 2: Convert to fraction form
    131,252.94/181,118.84 = 77,527.67/x
  3. Step 3: Cross multiply
    131,252.94x = 181,118.84 × 77,527.67
  4. Step 4: Simplify right side
    131,252.94x = 14,041,720,365.07
  5. Step 5: Solve for x
    x = 14,041,720,365.07/131,252.94
  6. Step 6: Final answer
    x = 106,982.14

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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.