Home / 188,745.07-260,457.37-103,862.13

Finding the Fourth Proportional to 188,745.07, 260,457.37 and 103,862.13

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Solution

The fourth proportional to 188,745.07, 260,457.37 and 103,862.13 is: 143,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,745.07 : 260,457.37 = 103,862.13 : x
  2. Step 2: Convert to fraction form
    188,745.07/260,457.37 = 103,862.13/x
  3. Step 3: Cross multiply
    188,745.07x = 260,457.37 × 103,862.13
  4. Step 4: Simplify right side
    188,745.07x = 27,051,656,962.74
  5. Step 5: Solve for x
    x = 27,051,656,962.74/188,745.07
  6. Step 6: Final answer
    x = 143,323.78

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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.