Home / 142,231.14-196,248.42-84,855.06

Finding the Fourth Proportional to 142,231.14, 196,248.42 and 84,855.06

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Solution

The fourth proportional to 142,231.14, 196,248.42 and 84,855.06 is: 117,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,231.14 : 196,248.42 = 84,855.06 : x
  2. Step 2: Convert to fraction form
    142,231.14/196,248.42 = 84,855.06/x
  3. Step 3: Cross multiply
    142,231.14x = 196,248.42 × 84,855.06
  4. Step 4: Simplify right side
    142,231.14x = 16,652,671,454.01
  5. Step 5: Solve for x
    x = 16,652,671,454.01/142,231.14
  6. Step 6: Final answer
    x = 117,081.75

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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.