Home / 228,154.65-342,290.30-87,875.61

Finding the Fourth Proportional to 228,154.65, 342,290.30 and 87,875.61

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Solution

The fourth proportional to 228,154.65, 342,290.30 and 87,875.61 is: 131,835.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,154.65 : 342,290.30 = 87,875.61 : x
  2. Step 2: Convert to fraction form
    228,154.65/342,290.30 = 87,875.61/x
  3. Step 3: Cross multiply
    228,154.65x = 342,290.30 × 87,875.61
  4. Step 4: Simplify right side
    228,154.65x = 30,078,968,470.21
  5. Step 5: Solve for x
    x = 30,078,968,470.21/228,154.65
  6. Step 6: Final answer
    x = 131,835.88

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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.