Home / 189,869.04-262,015.56-104,985.36

Finding the Fourth Proportional to 189,869.04, 262,015.56 and 104,985.36

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Solution

The fourth proportional to 189,869.04, 262,015.56 and 104,985.36 is: 144,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,869.04 : 262,015.56 = 104,985.36 : x
  2. Step 2: Convert to fraction form
    189,869.04/262,015.56 = 104,985.36/x
  3. Step 3: Cross multiply
    189,869.04x = 262,015.56 × 104,985.36
  4. Step 4: Simplify right side
    189,869.04x = 27,507,797,892.20
  5. Step 5: Solve for x
    x = 27,507,797,892.20/189,869.04
  6. Step 6: Final answer
    x = 144,877.74

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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.