Home / 210,506.75-290,499.41-113,710.60

Finding the Fourth Proportional to 210,506.75, 290,499.41 and 113,710.60

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Solution

The fourth proportional to 210,506.75, 290,499.41 and 113,710.60 is: 156,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,506.75 : 290,499.41 = 113,710.60 : x
  2. Step 2: Convert to fraction form
    210,506.75/290,499.41 = 113,710.60/x
  3. Step 3: Cross multiply
    210,506.75x = 290,499.41 × 113,710.60
  4. Step 4: Simplify right side
    210,506.75x = 33,032,862,858.15
  5. Step 5: Solve for x
    x = 33,032,862,858.15/210,506.75
  6. Step 6: Final answer
    x = 156,920.68

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1.5x scale

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.