Home / 210,568.74-290,585.61-115,075.41

Finding the Fourth Proportional to 210,568.74, 290,585.61 and 115,075.41

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Solution

The fourth proportional to 210,568.74, 290,585.61 and 115,075.41 is: 158,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,568.74 : 290,585.61 = 115,075.41 : x
  2. Step 2: Convert to fraction form
    210,568.74/290,585.61 = 115,075.41/x
  3. Step 3: Cross multiply
    210,568.74x = 290,585.61 × 115,075.41
  4. Step 4: Simplify right side
    210,568.74x = 33,439,258,210.85
  5. Step 5: Solve for x
    x = 33,439,258,210.85/210,568.74
  6. Step 6: Final answer
    x = 158,804.48

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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.