Home / 79,187.02-118,768.16-25,878.58

Finding the Fourth Proportional to 79,187.02, 118,768.16 and 25,878.58

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Solution

The fourth proportional to 79,187.02, 118,768.16 and 25,878.58 is: 38,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,187.02 : 118,768.16 = 25,878.58 : x
  2. Step 2: Convert to fraction form
    79,187.02/118,768.16 = 25,878.58/x
  3. Step 3: Cross multiply
    79,187.02x = 118,768.16 × 25,878.58
  4. Step 4: Simplify right side
    79,187.02x = 3,073,550,952.22
  5. Step 5: Solve for x
    x = 3,073,550,952.22/79,187.02
  6. Step 6: Final answer
    x = 38,813.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.