Home / 91,424.06-126,172.62-51,146.82

Finding the Fourth Proportional to 91,424.06, 126,172.62 and 51,146.82

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Solution

The fourth proportional to 91,424.06, 126,172.62 and 51,146.82 is: 70,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,424.06 : 126,172.62 = 51,146.82 : x
  2. Step 2: Convert to fraction form
    91,424.06/126,172.62 = 51,146.82/x
  3. Step 3: Cross multiply
    91,424.06x = 126,172.62 × 51,146.82
  4. Step 4: Simplify right side
    91,424.06x = 6,453,328,284.07
  5. Step 5: Solve for x
    x = 6,453,328,284.07/91,424.06
  6. Step 6: Final answer
    x = 70,586.76

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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.