Home / 115,941.93-159,963.54-64,947.77

Finding the Fourth Proportional to 115,941.93, 159,963.54 and 64,947.77

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Solution

The fourth proportional to 115,941.93, 159,963.54 and 64,947.77 is: 89,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,941.93 : 159,963.54 = 64,947.77 : x
  2. Step 2: Convert to fraction form
    115,941.93/159,963.54 = 64,947.77/x
  3. Step 3: Cross multiply
    115,941.93x = 159,963.54 × 64,947.77
  4. Step 4: Simplify right side
    115,941.93x = 10,389,274,760.80
  5. Step 5: Solve for x
    x = 10,389,274,760.80/115,941.93
  6. Step 6: Final answer
    x = 89,607.57

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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.