Home / 134,762.94-185,997.06-81,055.08

Finding the Fourth Proportional to 134,762.94, 185,997.06 and 81,055.08

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Solution

The fourth proportional to 134,762.94, 185,997.06 and 81,055.08 is: 111,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,762.94 : 185,997.06 = 81,055.08 : x
  2. Step 2: Convert to fraction form
    134,762.94/185,997.06 = 81,055.08/x
  3. Step 3: Cross multiply
    134,762.94x = 185,997.06 × 81,055.08
  4. Step 4: Simplify right side
    134,762.94x = 15,076,006,578.06
  5. Step 5: Solve for x
    x = 15,076,006,578.06/134,762.94
  6. Step 6: Final answer
    x = 111,870.57

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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.