Home / 79,166.23-109,249.56-42,868.07

Finding the Fourth Proportional to 79,166.23, 109,249.56 and 42,868.07

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Solution

The fourth proportional to 79,166.23, 109,249.56 and 42,868.07 is: 59,158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166.23 : 109,249.56 = 42,868.07 : x
  2. Step 2: Convert to fraction form
    79,166.23/109,249.56 = 42,868.07/x
  3. Step 3: Cross multiply
    79,166.23x = 109,249.56 × 42,868.07
  4. Step 4: Simplify right side
    79,166.23x = 4,683,317,648.99
  5. Step 5: Solve for x
    x = 4,683,317,648.99/79,166.23
  6. Step 6: Final answer
    x = 59,158.02

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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.