Home / 197,464.32-272,494.08-108,038.40

Finding the Fourth Proportional to 197,464.32, 272,494.08 and 108,038.40

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Solution

The fourth proportional to 197,464.32, 272,494.08 and 108,038.40 is: 149,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,464.32 : 272,494.08 = 108,038.40 : x
  2. Step 2: Convert to fraction form
    197,464.32/272,494.08 = 108,038.40/x
  3. Step 3: Cross multiply
    197,464.32x = 272,494.08 × 108,038.40
  4. Step 4: Simplify right side
    197,464.32x = 29,439,824,412.67
  5. Step 5: Solve for x
    x = 29,439,824,412.67/197,464.32
  6. Step 6: Final answer
    x = 149,089.34

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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.