Home / 115,263.14-159,042.68-64,271.82

Finding the Fourth Proportional to 115,263.14, 159,042.68 and 64,271.82

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Solution

The fourth proportional to 115,263.14, 159,042.68 and 64,271.82 is: 88,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,263.14 : 159,042.68 = 64,271.82 : x
  2. Step 2: Convert to fraction form
    115,263.14/159,042.68 = 64,271.82/x
  3. Step 3: Cross multiply
    115,263.14x = 159,042.68 × 64,271.82
  4. Step 4: Simplify right side
    115,263.14x = 10,221,962,501.28
  5. Step 5: Solve for x
    x = 10,221,962,501.28/115,263.14
  6. Step 6: Final answer
    x = 88,683.71

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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.