Home / 115,424.07-159,293.24-64,446.81

Finding the Fourth Proportional to 115,424.07, 159,293.24 and 64,446.81

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Solution

The fourth proportional to 115,424.07, 159,293.24 and 64,446.81 is: 88,941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,424.07 : 159,293.24 = 64,446.81 : x
  2. Step 2: Convert to fraction form
    115,424.07/159,293.24 = 64,446.81/x
  3. Step 3: Cross multiply
    115,424.07x = 159,293.24 × 64,446.81
  4. Step 4: Simplify right side
    115,424.07x = 10,265,941,172.56
  5. Step 5: Solve for x
    x = 10,265,941,172.56/115,424.07
  6. Step 6: Final answer
    x = 88,941.08

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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.