Home / 218,059.92-300,931.22-122,566.32

Finding the Fourth Proportional to 218,059.92, 300,931.22 and 122,566.32

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Solution

The fourth proportional to 218,059.92, 300,931.22 and 122,566.32 is: 169,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,059.92 : 300,931.22 = 122,566.32 : x
  2. Step 2: Convert to fraction form
    218,059.92/300,931.22 = 122,566.32/x
  3. Step 3: Cross multiply
    218,059.92x = 300,931.22 × 122,566.32
  4. Step 4: Simplify right side
    218,059.92x = 36,884,032,208.51
  5. Step 5: Solve for x
    x = 36,884,032,208.51/218,059.92
  6. Step 6: Final answer
    x = 169,146.32

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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.