Home / 121,352.34-182,011.50-51,215.25

Finding the Fourth Proportional to 121,352.34, 182,011.50 and 51,215.25

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Solution

The fourth proportional to 121,352.34, 182,011.50 and 51,215.25 is: 76,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,352.34 : 182,011.50 = 51,215.25 : x
  2. Step 2: Convert to fraction form
    121,352.34/182,011.50 = 51,215.25/x
  3. Step 3: Cross multiply
    121,352.34x = 182,011.50 × 51,215.25
  4. Step 4: Simplify right side
    121,352.34x = 9,321,764,475.38
  5. Step 5: Solve for x
    x = 9,321,764,475.38/121,352.34
  6. Step 6: Final answer
    x = 76,815.70

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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.