Home / 197,443.62-272,478.45-108,019.62

Finding the Fourth Proportional to 197,443.62, 272,478.45 and 108,019.62

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Solution

The fourth proportional to 197,443.62, 272,478.45 and 108,019.62 is: 149,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,443.62 : 272,478.45 = 108,019.62 : x
  2. Step 2: Convert to fraction form
    197,443.62/272,478.45 = 108,019.62/x
  3. Step 3: Cross multiply
    197,443.62x = 272,478.45 × 108,019.62
  4. Step 4: Simplify right side
    197,443.62x = 29,433,018,627.19
  5. Step 5: Solve for x
    x = 29,433,018,627.19/197,443.62
  6. Step 6: Final answer
    x = 149,070.50

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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.