Home / 82,775.07-124,181.13-30,184.56

Finding the Fourth Proportional to 82,775.07, 124,181.13 and 30,184.56

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Solution

The fourth proportional to 82,775.07, 124,181.13 and 30,184.56 is: 45,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,775.07 : 124,181.13 = 30,184.56 : x
  2. Step 2: Convert to fraction form
    82,775.07/124,181.13 = 30,184.56/x
  3. Step 3: Cross multiply
    82,775.07x = 124,181.13 × 30,184.56
  4. Step 4: Simplify right side
    82,775.07x = 3,748,352,769.35
  5. Step 5: Solve for x
    x = 3,748,352,769.35/82,775.07
  6. Step 6: Final answer
    x = 45,283.60

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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.