Home / 197,420.55-272,439.55-106,776.62

Finding the Fourth Proportional to 197,420.55, 272,439.55 and 106,776.62

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Solution

The fourth proportional to 197,420.55, 272,439.55 and 106,776.62 is: 147,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,420.55 : 272,439.55 = 106,776.62 : x
  2. Step 2: Convert to fraction form
    197,420.55/272,439.55 = 106,776.62/x
  3. Step 3: Cross multiply
    197,420.55x = 272,439.55 × 106,776.62
  4. Step 4: Simplify right side
    197,420.55x = 29,090,174,303.32
  5. Step 5: Solve for x
    x = 29,090,174,303.32/197,420.55
  6. Step 6: Final answer
    x = 147,351.30

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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.