Home / 228,122.47-314,811.04-126,154.79

Finding the Fourth Proportional to 228,122.47, 314,811.04 and 126,154.79

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Solution

The fourth proportional to 228,122.47, 314,811.04 and 126,154.79 is: 174,094.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,122.47 : 314,811.04 = 126,154.79 : x
  2. Step 2: Convert to fraction form
    228,122.47/314,811.04 = 126,154.79/x
  3. Step 3: Cross multiply
    228,122.47x = 314,811.04 × 126,154.79
  4. Step 4: Simplify right side
    228,122.47x = 39,714,920,640.88
  5. Step 5: Solve for x
    x = 39,714,920,640.88/228,122.47
  6. Step 6: Final answer
    x = 174,094.73

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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.