Home / 142,751.04-197,088.88-91,786.64

Finding the Fourth Proportional to 142,751.04, 197,088.88 and 91,786.64

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Solution

The fourth proportional to 142,751.04, 197,088.88 and 91,786.64 is: 126,725.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,751.04 : 197,088.88 = 91,786.64 : x
  2. Step 2: Convert to fraction form
    142,751.04/197,088.88 = 91,786.64/x
  3. Step 3: Cross multiply
    142,751.04x = 197,088.88 × 91,786.64
  4. Step 4: Simplify right side
    142,751.04x = 18,090,126,076.56
  5. Step 5: Solve for x
    x = 18,090,126,076.56/142,751.04
  6. Step 6: Final answer
    x = 126,725.00

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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.