Home / 103,014.26-154,313.62-86,327.46

Finding the Fourth Proportional to 103,014.26, 154,313.62 and 86,327.46

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Solution

The fourth proportional to 103,014.26, 154,313.62 and 86,327.46 is: 129,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,014.26 : 154,313.62 = 86,327.46 : x
  2. Step 2: Convert to fraction form
    103,014.26/154,313.62 = 86,327.46/x
  3. Step 3: Cross multiply
    103,014.26x = 154,313.62 × 86,327.46
  4. Step 4: Simplify right side
    103,014.26x = 13,321,502,858.01
  5. Step 5: Solve for x
    x = 13,321,502,858.01/103,014.26
  6. Step 6: Final answer
    x = 129,317.08

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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.