Home / 197,442.12-272,476.38-108,018.12

Finding the Fourth Proportional to 197,442.12, 272,476.38 and 108,018.12

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Solution

The fourth proportional to 197,442.12, 272,476.38 and 108,018.12 is: 149,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,442.12 : 272,476.38 = 108,018.12 : x
  2. Step 2: Convert to fraction form
    197,442.12/272,476.38 = 108,018.12/x
  3. Step 3: Cross multiply
    197,442.12x = 272,476.38 × 108,018.12
  4. Step 4: Simplify right side
    197,442.12x = 29,432,386,312.01
  5. Step 5: Solve for x
    x = 29,432,386,312.01/197,442.12
  6. Step 6: Final answer
    x = 149,068.43

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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.