Home / 115,226.08-159,011.04-64,238.20

Finding the Fourth Proportional to 115,226.08, 159,011.04 and 64,238.20

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Solution

The fourth proportional to 115,226.08, 159,011.04 and 64,238.20 is: 88,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,226.08 : 159,011.04 = 64,238.20 : x
  2. Step 2: Convert to fraction form
    115,226.08/159,011.04 = 64,238.20/x
  3. Step 3: Cross multiply
    115,226.08x = 159,011.04 × 64,238.20
  4. Step 4: Simplify right side
    115,226.08x = 10,214,582,989.73
  5. Step 5: Solve for x
    x = 10,214,582,989.73/115,226.08
  6. Step 6: Final answer
    x = 88,648.19

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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.