Home / 98,147.74-135,307.83-66,266.14

Finding the Fourth Proportional to 98,147.74, 135,307.83 and 66,266.14

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Solution

The fourth proportional to 98,147.74, 135,307.83 and 66,266.14 is: 91,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,147.74 : 135,307.83 = 66,266.14 : x
  2. Step 2: Convert to fraction form
    98,147.74/135,307.83 = 66,266.14/x
  3. Step 3: Cross multiply
    98,147.74x = 135,307.83 × 66,266.14
  4. Step 4: Simplify right side
    98,147.74x = 8,966,327,605.88
  5. Step 5: Solve for x
    x = 8,966,327,605.88/98,147.74
  6. Step 6: Final answer
    x = 91,355.42

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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.