Home / 104,268.77-143,870.86-66,001.40

Finding the Fourth Proportional to 104,268.77, 143,870.86 and 66,001.40

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Solution

The fourth proportional to 104,268.77, 143,870.86 and 66,001.40 is: 91,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,268.77 : 143,870.86 = 66,001.40 : x
  2. Step 2: Convert to fraction form
    104,268.77/143,870.86 = 66,001.40/x
  3. Step 3: Cross multiply
    104,268.77x = 143,870.86 × 66,001.40
  4. Step 4: Simplify right side
    104,268.77x = 9,495,678,179.20
  5. Step 5: Solve for x
    x = 9,495,678,179.20/104,268.77
  6. Step 6: Final answer
    x = 91,069.25

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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.