Home / 107,746.12-161,619.08-28,858.20

Finding the Fourth Proportional to 107,746.12, 161,619.08 and 28,858.20

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Solution

The fourth proportional to 107,746.12, 161,619.08 and 28,858.20 is: 43,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,746.12 : 161,619.08 = 28,858.20 : x
  2. Step 2: Convert to fraction form
    107,746.12/161,619.08 = 28,858.20/x
  3. Step 3: Cross multiply
    107,746.12x = 161,619.08 × 28,858.20
  4. Step 4: Simplify right side
    107,746.12x = 4,664,034,782.07
  5. Step 5: Solve for x
    x = 4,664,034,782.07/107,746.12
  6. Step 6: Final answer
    x = 43,287.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.