Home / 159,920.36-240,025.64-85,103.50

Finding the Fourth Proportional to 159,920.36, 240,025.64 and 85,103.50

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Solution

The fourth proportional to 159,920.36, 240,025.64 and 85,103.50 is: 127,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,920.36 : 240,025.64 = 85,103.50 : x
  2. Step 2: Convert to fraction form
    159,920.36/240,025.64 = 85,103.50/x
  3. Step 3: Cross multiply
    159,920.36x = 240,025.64 × 85,103.50
  4. Step 4: Simplify right side
    159,920.36x = 20,427,020,428.09
  5. Step 5: Solve for x
    x = 20,427,020,428.09/159,920.36
  6. Step 6: Final answer
    x = 127,732.46

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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.