Home / 197,875.12-296,701.68-85,485.16

Finding the Fourth Proportional to 197,875.12, 296,701.68 and 85,485.16

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Solution

The fourth proportional to 197,875.12, 296,701.68 and 85,485.16 is: 128,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,875.12 : 296,701.68 = 85,485.16 : x
  2. Step 2: Convert to fraction form
    197,875.12/296,701.68 = 85,485.16/x
  3. Step 3: Cross multiply
    197,875.12x = 296,701.68 × 85,485.16
  4. Step 4: Simplify right side
    197,875.12x = 25,363,590,587.07
  5. Step 5: Solve for x
    x = 25,363,590,587.07/197,875.12
  6. Step 6: Final answer
    x = 128,179.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.