Home / 158,619.52-218,947.28-141,804.40

Finding the Fourth Proportional to 158,619.52, 218,947.28 and 141,804.40

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Solution

The fourth proportional to 158,619.52, 218,947.28 and 141,804.40 is: 195,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,619.52 : 218,947.28 = 141,804.40 : x
  2. Step 2: Convert to fraction form
    158,619.52/218,947.28 = 141,804.40/x
  3. Step 3: Cross multiply
    158,619.52x = 218,947.28 × 141,804.40
  4. Step 4: Simplify right side
    158,619.52x = 31,047,686,577.30
  5. Step 5: Solve for x
    x = 31,047,686,577.30/158,619.52
  6. Step 6: Final answer
    x = 195,736.86

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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.