Home / 92,416.45-138,686.21-50,307.15

Finding the Fourth Proportional to 92,416.45, 138,686.21 and 50,307.15

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Solution

The fourth proportional to 92,416.45, 138,686.21 and 50,307.15 is: 75,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,416.45 : 138,686.21 = 50,307.15 : x
  2. Step 2: Convert to fraction form
    92,416.45/138,686.21 = 50,307.15/x
  3. Step 3: Cross multiply
    92,416.45x = 138,686.21 × 50,307.15
  4. Step 4: Simplify right side
    92,416.45x = 6,976,907,969.40
  5. Step 5: Solve for x
    x = 6,976,907,969.40/92,416.45
  6. Step 6: Final answer
    x = 75,494.22

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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.