Home / 250,265.77-375,427.81-81,798.73

Finding the Fourth Proportional to 250,265.77, 375,427.81 and 81,798.73

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Solution

The fourth proportional to 250,265.77, 375,427.81 and 81,798.73 is: 122,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,265.77 : 375,427.81 = 81,798.73 : x
  2. Step 2: Convert to fraction form
    250,265.77/375,427.81 = 81,798.73/x
  3. Step 3: Cross multiply
    250,265.77x = 375,427.81 × 81,798.73
  4. Step 4: Simplify right side
    250,265.77x = 30,709,516,187.54
  5. Step 5: Solve for x
    x = 30,709,516,187.54/250,265.77
  6. Step 6: Final answer
    x = 122,707.62

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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.