Home / 104,038.92-143,574.84-56,293.20

Finding the Fourth Proportional to 104,038.92, 143,574.84 and 56,293.20

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Solution

The fourth proportional to 104,038.92, 143,574.84 and 56,293.20 is: 77,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.92 : 143,574.84 = 56,293.20 : x
  2. Step 2: Convert to fraction form
    104,038.92/143,574.84 = 56,293.20/x
  3. Step 3: Cross multiply
    104,038.92x = 143,574.84 × 56,293.20
  4. Step 4: Simplify right side
    104,038.92x = 8,082,287,183.09
  5. Step 5: Solve for x
    x = 8,082,287,183.09/104,038.92
  6. Step 6: Final answer
    x = 77,685.23

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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.