Home / 92,430.48-138,519.30-50,255.40

Finding the Fourth Proportional to 92,430.48, 138,519.30 and 50,255.40

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Solution

The fourth proportional to 92,430.48, 138,519.30 and 50,255.40 is: 75,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,430.48 : 138,519.30 = 50,255.40 : x
  2. Step 2: Convert to fraction form
    92,430.48/138,519.30 = 50,255.40/x
  3. Step 3: Cross multiply
    92,430.48x = 138,519.30 × 50,255.40
  4. Step 4: Simplify right side
    92,430.48x = 6,961,342,829.22
  5. Step 5: Solve for x
    x = 6,961,342,829.22/92,430.48
  6. Step 6: Final answer
    x = 75,314.36

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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.