Home / 197,340.93-272,455.01-136,890.42

Finding the Fourth Proportional to 197,340.93, 272,455.01 and 136,890.42

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Solution

The fourth proportional to 197,340.93, 272,455.01 and 136,890.42 is: 188,995.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,340.93 : 272,455.01 = 136,890.42 : x
  2. Step 2: Convert to fraction form
    197,340.93/272,455.01 = 136,890.42/x
  3. Step 3: Cross multiply
    197,340.93x = 272,455.01 × 136,890.42
  4. Step 4: Simplify right side
    197,340.93x = 37,296,480,065.55
  5. Step 5: Solve for x
    x = 37,296,480,065.55/197,340.93
  6. Step 6: Final answer
    x = 188,995.16

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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.