Home / 90,693.23-125,191.86-68,097.47

Finding the Fourth Proportional to 90,693.23, 125,191.86 and 68,097.47

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Solution

The fourth proportional to 90,693.23, 125,191.86 and 68,097.47 is: 94,000.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,693.23 : 125,191.86 = 68,097.47 : x
  2. Step 2: Convert to fraction form
    90,693.23/125,191.86 = 68,097.47/x
  3. Step 3: Cross multiply
    90,693.23x = 125,191.86 × 68,097.47
  4. Step 4: Simplify right side
    90,693.23x = 8,525,248,930.59
  5. Step 5: Solve for x
    x = 8,525,248,930.59/90,693.23
  6. Step 6: Final answer
    x = 94,000.94

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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.