Home / 90,914.22-136,307.93-40,285.71

Finding the Fourth Proportional to 90,914.22, 136,307.93 and 40,285.71

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Solution

The fourth proportional to 90,914.22, 136,307.93 and 40,285.71 is: 60,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,914.22 : 136,307.93 = 40,285.71 : x
  2. Step 2: Convert to fraction form
    90,914.22/136,307.93 = 40,285.71/x
  3. Step 3: Cross multiply
    90,914.22x = 136,307.93 × 40,285.71
  4. Step 4: Simplify right side
    90,914.22x = 5,491,261,537.25
  5. Step 5: Solve for x
    x = 5,491,261,537.25/90,914.22
  6. Step 6: Final answer
    x = 60,400.47

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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.