Home / 118,708.02-163,816.61-67,720.65

Finding the Fourth Proportional to 118,708.02, 163,816.61 and 67,720.65

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Solution

The fourth proportional to 118,708.02, 163,816.61 and 67,720.65 is: 93,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,708.02 : 163,816.61 = 67,720.65 : x
  2. Step 2: Convert to fraction form
    118,708.02/163,816.61 = 67,720.65/x
  3. Step 3: Cross multiply
    118,708.02x = 163,816.61 × 67,720.65
  4. Step 4: Simplify right side
    118,708.02x = 11,093,766,971.39
  5. Step 5: Solve for x
    x = 11,093,766,971.39/118,708.02
  6. Step 6: Final answer
    x = 93,454.23

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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.