Home / 226,239.76-312,176.10-130,727.92

Finding the Fourth Proportional to 226,239.76, 312,176.10 and 130,727.92

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Solution

The fourth proportional to 226,239.76, 312,176.10 and 130,727.92 is: 180,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,239.76 : 312,176.10 = 130,727.92 : x
  2. Step 2: Convert to fraction form
    226,239.76/312,176.10 = 130,727.92/x
  3. Step 3: Cross multiply
    226,239.76x = 312,176.10 × 130,727.92
  4. Step 4: Simplify right side
    226,239.76x = 40,810,132,226.71
  5. Step 5: Solve for x
    x = 40,810,132,226.71/226,239.76
  6. Step 6: Final answer
    x = 180,384.44

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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.