Home / 134,678.25-185,722.83-114,315.92

Finding the Fourth Proportional to 134,678.25, 185,722.83 and 114,315.92

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Solution

The fourth proportional to 134,678.25, 185,722.83 and 114,315.92 is: 157,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,678.25 : 185,722.83 = 114,315.92 : x
  2. Step 2: Convert to fraction form
    134,678.25/185,722.83 = 114,315.92/x
  3. Step 3: Cross multiply
    134,678.25x = 185,722.83 × 114,315.92
  4. Step 4: Simplify right side
    134,678.25x = 21,231,075,944.30
  5. Step 5: Solve for x
    x = 21,231,075,944.30/134,678.25
  6. Step 6: Final answer
    x = 157,642.94

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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.