Home / 118,128.27-163,010.84-67,134.18

Finding the Fourth Proportional to 118,128.27, 163,010.84 and 67,134.18

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Solution

The fourth proportional to 118,128.27, 163,010.84 and 67,134.18 is: 92,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,128.27 : 163,010.84 = 67,134.18 : x
  2. Step 2: Convert to fraction form
    118,128.27/163,010.84 = 67,134.18/x
  3. Step 3: Cross multiply
    118,128.27x = 163,010.84 × 67,134.18
  4. Step 4: Simplify right side
    118,128.27x = 10,943,598,738.84
  5. Step 5: Solve for x
    x = 10,943,598,738.84/118,128.27
  6. Step 6: Final answer
    x = 92,641.66

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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.