Home / 210,317.80-290,194.24-133,809.28

Finding the Fourth Proportional to 210,317.80, 290,194.24 and 133,809.28

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Solution

The fourth proportional to 210,317.80, 290,194.24 and 133,809.28 is: 184,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,317.80 : 290,194.24 = 133,809.28 : x
  2. Step 2: Convert to fraction form
    210,317.80/290,194.24 = 133,809.28/x
  3. Step 3: Cross multiply
    210,317.80x = 290,194.24 × 133,809.28
  4. Step 4: Simplify right side
    210,317.80x = 38,830,682,314.55
  5. Step 5: Solve for x
    x = 38,830,682,314.55/210,317.80
  6. Step 6: Final answer
    x = 184,628.61

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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.