Home / 222,425.48-307,021.98-135,210.26

Finding the Fourth Proportional to 222,425.48, 307,021.98 and 135,210.26

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Solution

The fourth proportional to 222,425.48, 307,021.98 and 135,210.26 is: 186,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,425.48 : 307,021.98 = 135,210.26 : x
  2. Step 2: Convert to fraction form
    222,425.48/307,021.98 = 135,210.26/x
  3. Step 3: Cross multiply
    222,425.48x = 307,021.98 × 135,210.26
  4. Step 4: Simplify right side
    222,425.48x = 41,512,521,741.51
  5. Step 5: Solve for x
    x = 41,512,521,741.51/222,425.48
  6. Step 6: Final answer
    x = 186,635.64

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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.