Home / 189,129.33-260,995.36-104,254.29

Finding the Fourth Proportional to 189,129.33, 260,995.36 and 104,254.29

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Solution

The fourth proportional to 189,129.33, 260,995.36 and 104,254.29 is: 143,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,129.33 : 260,995.36 = 104,254.29 : x
  2. Step 2: Convert to fraction form
    189,129.33/260,995.36 = 104,254.29/x
  3. Step 3: Cross multiply
    189,129.33x = 260,995.36 × 104,254.29
  4. Step 4: Simplify right side
    189,129.33x = 27,209,885,950.09
  5. Step 5: Solve for x
    x = 27,209,885,950.09/189,129.33
  6. Step 6: Final answer
    x = 143,869.20

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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.