Home / 119,426.64-164,808.57-71,680.20

Finding the Fourth Proportional to 119,426.64, 164,808.57 and 71,680.20

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Solution

The fourth proportional to 119,426.64, 164,808.57 and 71,680.20 is: 98,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,426.64 : 164,808.57 = 71,680.20 : x
  2. Step 2: Convert to fraction form
    119,426.64/164,808.57 = 71,680.20/x
  3. Step 3: Cross multiply
    119,426.64x = 164,808.57 × 71,680.20
  4. Step 4: Simplify right side
    119,426.64x = 11,813,511,259.31
  5. Step 5: Solve for x
    x = 11,813,511,259.31/119,426.64
  6. Step 6: Final answer
    x = 98,918.56

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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.