Home / 142,528.14-196,628.58-82,084.32

Finding the Fourth Proportional to 142,528.14, 196,628.58 and 82,084.32

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Solution

The fourth proportional to 142,528.14, 196,628.58 and 82,084.32 is: 113,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,528.14 : 196,628.58 = 82,084.32 : x
  2. Step 2: Convert to fraction form
    142,528.14/196,628.58 = 82,084.32/x
  3. Step 3: Cross multiply
    142,528.14x = 196,628.58 × 82,084.32
  4. Step 4: Simplify right side
    142,528.14x = 16,140,123,281.87
  5. Step 5: Solve for x
    x = 16,140,123,281.87/142,528.14
  6. Step 6: Final answer
    x = 113,241.66

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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.