Home / 109,888.60-164,816.70-31,010.80

Finding the Fourth Proportional to 109,888.60, 164,816.70 and 31,010.80

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Solution

The fourth proportional to 109,888.60, 164,816.70 and 31,010.80 is: 46,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,888.60 : 164,816.70 = 31,010.80 : x
  2. Step 2: Convert to fraction form
    109,888.60/164,816.70 = 31,010.80/x
  3. Step 3: Cross multiply
    109,888.60x = 164,816.70 × 31,010.80
  4. Step 4: Simplify right side
    109,888.60x = 5,111,097,720.36
  5. Step 5: Solve for x
    x = 5,111,097,720.36/109,888.60
  6. Step 6: Final answer
    x = 46,511.63

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1.5x scale

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.