Home / 168,428.73-252,588.36-56,078.76

Finding the Fourth Proportional to 168,428.73, 252,588.36 and 56,078.76

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Solution

The fourth proportional to 168,428.73, 252,588.36 and 56,078.76 is: 84,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,428.73 : 252,588.36 = 56,078.76 : x
  2. Step 2: Convert to fraction form
    168,428.73/252,588.36 = 56,078.76/x
  3. Step 3: Cross multiply
    168,428.73x = 252,588.36 × 56,078.76
  4. Step 4: Simplify right side
    168,428.73x = 14,164,842,019.23
  5. Step 5: Solve for x
    x = 14,164,842,019.23/168,428.73
  6. Step 6: Final answer
    x = 84,099.92

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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.