Home / 109,859.45-164,774.59-30,980.03

Finding the Fourth Proportional to 109,859.45, 164,774.59 and 30,980.03

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Solution

The fourth proportional to 109,859.45, 164,774.59 and 30,980.03 is: 46,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,859.45 : 164,774.59 = 30,980.03 : x
  2. Step 2: Convert to fraction form
    109,859.45/164,774.59 = 30,980.03/x
  3. Step 3: Cross multiply
    109,859.45x = 164,774.59 × 30,980.03
  4. Step 4: Simplify right side
    109,859.45x = 5,104,720,840.11
  5. Step 5: Solve for x
    x = 5,104,720,840.11/109,859.45
  6. Step 6: Final answer
    x = 46,465.93

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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.