Home / 222,968.16-307,792.04-136,941.08

Finding the Fourth Proportional to 222,968.16, 307,792.04 and 136,941.08

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Solution

The fourth proportional to 222,968.16, 307,792.04 and 136,941.08 is: 189,037.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,968.16 : 307,792.04 = 136,941.08 : x
  2. Step 2: Convert to fraction form
    222,968.16/307,792.04 = 136,941.08/x
  3. Step 3: Cross multiply
    222,968.16x = 307,792.04 × 136,941.08
  4. Step 4: Simplify right side
    222,968.16x = 42,149,374,373.00
  5. Step 5: Solve for x
    x = 42,149,374,373.00/222,968.16
  6. Step 6: Final answer
    x = 189,037.64

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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.