Home / 189,448.70-261,420.60-104,560.30

Finding the Fourth Proportional to 189,448.70, 261,420.60 and 104,560.30

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Solution

The fourth proportional to 189,448.70, 261,420.60 and 104,560.30 is: 144,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,448.70 : 261,420.60 = 104,560.30 : x
  2. Step 2: Convert to fraction form
    189,448.70/261,420.60 = 104,560.30/x
  3. Step 3: Cross multiply
    189,448.70x = 261,420.60 × 104,560.30
  4. Step 4: Simplify right side
    189,448.70x = 27,334,216,362.18
  5. Step 5: Solve for x
    x = 27,334,216,362.18/189,448.70
  6. Step 6: Final answer
    x = 144,282.94

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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.