Home / 92,860.24-128,147.80-50,418.80

Finding the Fourth Proportional to 92,860.24, 128,147.80 and 50,418.80

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Solution

The fourth proportional to 92,860.24, 128,147.80 and 50,418.80 is: 69,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,860.24 : 128,147.80 = 50,418.80 : x
  2. Step 2: Convert to fraction form
    92,860.24/128,147.80 = 50,418.80/x
  3. Step 3: Cross multiply
    92,860.24x = 128,147.80 × 50,418.80
  4. Step 4: Simplify right side
    92,860.24x = 6,461,058,298.64
  5. Step 5: Solve for x
    x = 6,461,058,298.64/92,860.24
  6. Step 6: Final answer
    x = 69,578.31

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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.