Home / 118,673.63-163,947.48-77,934.41

Finding the Fourth Proportional to 118,673.63, 163,947.48 and 77,934.41

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Solution

The fourth proportional to 118,673.63, 163,947.48 and 77,934.41 is: 107,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,673.63 : 163,947.48 = 77,934.41 : x
  2. Step 2: Convert to fraction form
    118,673.63/163,947.48 = 77,934.41/x
  3. Step 3: Cross multiply
    118,673.63x = 163,947.48 × 77,934.41
  4. Step 4: Simplify right side
    118,673.63x = 12,777,150,124.79
  5. Step 5: Solve for x
    x = 12,777,150,124.79/118,673.63
  6. Step 6: Final answer
    x = 107,666.30

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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.