Home / 109,427.80-164,141.70-95,603.80

Finding the Fourth Proportional to 109,427.80, 164,141.70 and 95,603.80

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Solution

The fourth proportional to 109,427.80, 164,141.70 and 95,603.80 is: 143,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,427.80 : 164,141.70 = 95,603.80 : x
  2. Step 2: Convert to fraction form
    109,427.80/164,141.70 = 95,603.80/x
  3. Step 3: Cross multiply
    109,427.80x = 164,141.70 × 95,603.80
  4. Step 4: Simplify right side
    109,427.80x = 15,692,570,258.46
  5. Step 5: Solve for x
    x = 15,692,570,258.46/109,427.80
  6. Step 6: Final answer
    x = 143,405.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.