Home / 228,719.42-315,628.00-126,743.93

Finding the Fourth Proportional to 228,719.42, 315,628.00 and 126,743.93

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Solution

The fourth proportional to 228,719.42, 315,628.00 and 126,743.93 is: 174,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,719.42 : 315,628.00 = 126,743.93 : x
  2. Step 2: Convert to fraction form
    228,719.42/315,628.00 = 126,743.93/x
  3. Step 3: Cross multiply
    228,719.42x = 315,628.00 × 126,743.93
  4. Step 4: Simplify right side
    228,719.42x = 40,003,931,243.04
  5. Step 5: Solve for x
    x = 40,003,931,243.04/228,719.42
  6. Step 6: Final answer
    x = 174,903.96

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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.