Home / 159,383.36-219,875.16-102,812.96

Finding the Fourth Proportional to 159,383.36, 219,875.16 and 102,812.96

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Solution

The fourth proportional to 159,383.36, 219,875.16 and 102,812.96 is: 141,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,383.36 : 219,875.16 = 102,812.96 : x
  2. Step 2: Convert to fraction form
    159,383.36/219,875.16 = 102,812.96/x
  3. Step 3: Cross multiply
    159,383.36x = 219,875.16 × 102,812.96
  4. Step 4: Simplify right side
    159,383.36x = 22,606,016,030.07
  5. Step 5: Solve for x
    x = 22,606,016,030.07/159,383.36
  6. Step 6: Final answer
    x = 141,834.23

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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.