Home / 210,568.86-290,585.14-115,075.55

Finding the Fourth Proportional to 210,568.86, 290,585.14 and 115,075.55

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Solution

The fourth proportional to 210,568.86, 290,585.14 and 115,075.55 is: 158,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,568.86 : 290,585.14 = 115,075.55 : x
  2. Step 2: Convert to fraction form
    210,568.86/290,585.14 = 115,075.55/x
  3. Step 3: Cross multiply
    210,568.86x = 290,585.14 × 115,075.55
  4. Step 4: Simplify right side
    210,568.86x = 33,439,245,246.10
  5. Step 5: Solve for x
    x = 33,439,245,246.10/210,568.86
  6. Step 6: Final answer
    x = 158,804.32

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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.