Home / 101,684.37-140,332.83-56,376.56

Finding the Fourth Proportional to 101,684.37, 140,332.83 and 56,376.56

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Solution

The fourth proportional to 101,684.37, 140,332.83 and 56,376.56 is: 77,804.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,684.37 : 140,332.83 = 56,376.56 : x
  2. Step 2: Convert to fraction form
    101,684.37/140,332.83 = 56,376.56/x
  3. Step 3: Cross multiply
    101,684.37x = 140,332.83 × 56,376.56
  4. Step 4: Simplify right side
    101,684.37x = 7,911,481,928.58
  5. Step 5: Solve for x
    x = 7,911,481,928.58/101,684.37
  6. Step 6: Final answer
    x = 77,804.31

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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.