Home / 210,230.08-290,118.38-114,738.80

Finding the Fourth Proportional to 210,230.08, 290,118.38 and 114,738.80

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Solution

The fourth proportional to 210,230.08, 290,118.38 and 114,738.80 is: 158,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,230.08 : 290,118.38 = 114,738.80 : x
  2. Step 2: Convert to fraction form
    210,230.08/290,118.38 = 114,738.80/x
  3. Step 3: Cross multiply
    210,230.08x = 290,118.38 × 114,738.80
  4. Step 4: Simplify right side
    210,230.08x = 33,287,834,779.14
  5. Step 5: Solve for x
    x = 33,287,834,779.14/210,230.08
  6. Step 6: Final answer
    x = 158,340.02

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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.