Home / 142,602.56-196,705.44-91,598.12

Finding the Fourth Proportional to 142,602.56, 196,705.44 and 91,598.12

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Solution

The fourth proportional to 142,602.56, 196,705.44 and 91,598.12 is: 126,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,602.56 : 196,705.44 = 91,598.12 : x
  2. Step 2: Convert to fraction form
    142,602.56/196,705.44 = 91,598.12/x
  3. Step 3: Cross multiply
    142,602.56x = 196,705.44 × 91,598.12
  4. Step 4: Simplify right side
    142,602.56x = 18,017,848,497.77
  5. Step 5: Solve for x
    x = 18,017,848,497.77/142,602.56
  6. Step 6: Final answer
    x = 126,350.11

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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.