Home / 122,022.20-182,676.90-87,030.20

Finding the Fourth Proportional to 122,022.20, 182,676.90 and 87,030.20

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Solution

The fourth proportional to 122,022.20, 182,676.90 and 87,030.20 is: 130,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,022.20 : 182,676.90 = 87,030.20 : x
  2. Step 2: Convert to fraction form
    122,022.20/182,676.90 = 87,030.20/x
  3. Step 3: Cross multiply
    122,022.20x = 182,676.90 × 87,030.20
  4. Step 4: Simplify right side
    122,022.20x = 15,898,407,142.38
  5. Step 5: Solve for x
    x = 15,898,407,142.38/122,022.20
  6. Step 6: Final answer
    x = 130,291.10

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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.