Home / 189,478.51-261,480.09-104,595.37

Finding the Fourth Proportional to 189,478.51, 261,480.09 and 104,595.37

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Solution

The fourth proportional to 189,478.51, 261,480.09 and 104,595.37 is: 144,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,478.51 : 261,480.09 = 104,595.37 : x
  2. Step 2: Convert to fraction form
    189,478.51/261,480.09 = 104,595.37/x
  3. Step 3: Cross multiply
    189,478.51x = 261,480.09 × 104,595.37
  4. Step 4: Simplify right side
    189,478.51x = 27,349,606,761.18
  5. Step 5: Solve for x
    x = 27,349,606,761.18/189,478.51
  6. Step 6: Final answer
    x = 144,341.47

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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.