Home / 109,958.36-164,940.60-38,870.95

Finding the Fourth Proportional to 109,958.36, 164,940.60 and 38,870.95

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Solution

The fourth proportional to 109,958.36, 164,940.60 and 38,870.95 is: 58,307.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,958.36 : 164,940.60 = 38,870.95 : x
  2. Step 2: Convert to fraction form
    109,958.36/164,940.60 = 38,870.95/x
  3. Step 3: Cross multiply
    109,958.36x = 164,940.60 × 38,870.95
  4. Step 4: Simplify right side
    109,958.36x = 6,411,396,990.87
  5. Step 5: Solve for x
    x = 6,411,396,990.87/109,958.36
  6. Step 6: Final answer
    x = 58,307.50

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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.