Home / 104,435.04-144,066.96-66,669.60

Finding the Fourth Proportional to 104,435.04, 144,066.96 and 66,669.60

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Solution

The fourth proportional to 104,435.04, 144,066.96 and 66,669.60 is: 91,969.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,435.04 : 144,066.96 = 66,669.60 : x
  2. Step 2: Convert to fraction form
    104,435.04/144,066.96 = 66,669.60/x
  3. Step 3: Cross multiply
    104,435.04x = 144,066.96 × 66,669.60
  4. Step 4: Simplify right side
    104,435.04x = 9,604,886,596.42
  5. Step 5: Solve for x
    x = 9,604,886,596.42/104,435.04
  6. Step 6: Final answer
    x = 91,969.96

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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.