Home / 142,678.32-196,928.37-88,952.95

Finding the Fourth Proportional to 142,678.32, 196,928.37 and 88,952.95

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Solution

The fourth proportional to 142,678.32, 196,928.37 and 88,952.95 is: 122,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,678.32 : 196,928.37 = 88,952.95 : x
  2. Step 2: Convert to fraction form
    142,678.32/196,928.37 = 88,952.95/x
  3. Step 3: Cross multiply
    142,678.32x = 196,928.37 × 88,952.95
  4. Step 4: Simplify right side
    142,678.32x = 17,517,359,450.19
  5. Step 5: Solve for x
    x = 17,517,359,450.19/142,678.32
  6. Step 6: Final answer
    x = 122,775.20

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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.