Home / 197,380.72-272,509.86-136,930.24

Finding the Fourth Proportional to 197,380.72, 272,509.86 and 136,930.24

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Solution

The fourth proportional to 197,380.72, 272,509.86 and 136,930.24 is: 189,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,380.72 : 272,509.86 = 136,930.24 : x
  2. Step 2: Convert to fraction form
    197,380.72/272,509.86 = 136,930.24/x
  3. Step 3: Cross multiply
    197,380.72x = 272,509.86 × 136,930.24
  4. Step 4: Simplify right side
    197,380.72x = 37,314,840,532.17
  5. Step 5: Solve for x
    x = 37,314,840,532.17/197,380.72
  6. Step 6: Final answer
    x = 189,050.08

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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.