Home / 148,057.29-204,313.63-84,382.78

Finding the Fourth Proportional to 148,057.29, 204,313.63 and 84,382.78

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Solution

The fourth proportional to 148,057.29, 204,313.63 and 84,382.78 is: 116,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,057.29 : 204,313.63 = 84,382.78 : x
  2. Step 2: Convert to fraction form
    148,057.29/204,313.63 = 84,382.78/x
  3. Step 3: Cross multiply
    148,057.29x = 204,313.63 × 84,382.78
  4. Step 4: Simplify right side
    148,057.29x = 17,240,552,091.29
  5. Step 5: Solve for x
    x = 17,240,552,091.29/148,057.29
  6. Step 6: Final answer
    x = 116,445.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.