Home / 210,600.03-290,628.27-115,106.79

Finding the Fourth Proportional to 210,600.03, 290,628.27 and 115,106.79

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Solution

The fourth proportional to 210,600.03, 290,628.27 and 115,106.79 is: 158,847.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,600.03 : 290,628.27 = 115,106.79 : x
  2. Step 2: Convert to fraction form
    210,600.03/290,628.27 = 115,106.79/x
  3. Step 3: Cross multiply
    210,600.03x = 290,628.27 × 115,106.79
  4. Step 4: Simplify right side
    210,600.03x = 33,453,287,242.95
  5. Step 5: Solve for x
    x = 33,453,287,242.95/210,600.03
  6. Step 6: Final answer
    x = 158,847.50

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1.5x scale

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.