Home / 146,288.77-219,463.23-66,288.31

Finding the Fourth Proportional to 146,288.77, 219,463.23 and 66,288.31

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Solution

The fourth proportional to 146,288.77, 219,463.23 and 66,288.31 is: 99,446.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,288.77 : 219,463.23 = 66,288.31 : x
  2. Step 2: Convert to fraction form
    146,288.77/219,463.23 = 66,288.31/x
  3. Step 3: Cross multiply
    146,288.77x = 219,463.23 × 66,288.31
  4. Step 4: Simplify right side
    146,288.77x = 14,547,846,623.84
  5. Step 5: Solve for x
    x = 14,547,846,623.84/146,288.77
  6. Step 6: Final answer
    x = 99,446.09

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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.