Home / 120,313.40-166,030.47-66,597.26

Finding the Fourth Proportional to 120,313.40, 166,030.47 and 66,597.26

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Solution

The fourth proportional to 120,313.40, 166,030.47 and 66,597.26 is: 91,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,313.40 : 166,030.47 = 66,597.26 : x
  2. Step 2: Convert to fraction form
    120,313.40/166,030.47 = 66,597.26/x
  3. Step 3: Cross multiply
    120,313.40x = 166,030.47 × 66,597.26
  4. Step 4: Simplify right side
    120,313.40x = 11,057,173,839.14
  5. Step 5: Solve for x
    x = 11,057,173,839.14/120,313.40
  6. Step 6: Final answer
    x = 91,903.10

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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.