Home / 142,257.33-196,335.68-84,899.09

Finding the Fourth Proportional to 142,257.33, 196,335.68 and 84,899.09

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Solution

The fourth proportional to 142,257.33, 196,335.68 and 84,899.09 is: 117,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,257.33 : 196,335.68 = 84,899.09 : x
  2. Step 2: Convert to fraction form
    142,257.33/196,335.68 = 84,899.09/x
  3. Step 3: Cross multiply
    142,257.33x = 196,335.68 × 84,899.09
  4. Step 4: Simplify right side
    142,257.33x = 16,668,720,006.04
  5. Step 5: Solve for x
    x = 16,668,720,006.04/142,257.33
  6. Step 6: Final answer
    x = 117,173.01

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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.