Home / 115,932.26-159,996.67-64,944.18

Finding the Fourth Proportional to 115,932.26, 159,996.67 and 64,944.18

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Solution

The fourth proportional to 115,932.26, 159,996.67 and 64,944.18 is: 89,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,932.26 : 159,996.67 = 64,944.18 : x
  2. Step 2: Convert to fraction form
    115,932.26/159,996.67 = 64,944.18/x
  3. Step 3: Cross multiply
    115,932.26x = 159,996.67 × 64,944.18
  4. Step 4: Simplify right side
    115,932.26x = 10,390,852,373.52
  5. Step 5: Solve for x
    x = 10,390,852,373.52/115,932.26
  6. Step 6: Final answer
    x = 89,628.65

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1.5x scale

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.