Home / 210,319.32-290,273.99-133,758.60

Finding the Fourth Proportional to 210,319.32, 290,273.99 and 133,758.60

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Solution

The fourth proportional to 210,319.32, 290,273.99 and 133,758.60 is: 184,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,319.32 : 290,273.99 = 133,758.60 : x
  2. Step 2: Convert to fraction form
    210,319.32/290,273.99 = 133,758.60/x
  3. Step 3: Cross multiply
    210,319.32x = 290,273.99 × 133,758.60
  4. Step 4: Simplify right side
    210,319.32x = 38,826,641,850.02
  5. Step 5: Solve for x
    x = 38,826,641,850.02/210,319.32
  6. Step 6: Final answer
    x = 184,608.06

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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.