Home / 126,756.54-190,123.47-38,029.86

Finding the Fourth Proportional to 126,756.54, 190,123.47 and 38,029.86

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Solution

The fourth proportional to 126,756.54, 190,123.47 and 38,029.86 is: 57,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,756.54 : 190,123.47 = 38,029.86 : x
  2. Step 2: Convert to fraction form
    126,756.54/190,123.47 = 38,029.86/x
  3. Step 3: Cross multiply
    126,756.54x = 190,123.47 × 38,029.86
  4. Step 4: Simplify right side
    126,756.54x = 7,230,368,946.81
  5. Step 5: Solve for x
    x = 7,230,368,946.81/126,756.54
  6. Step 6: Final answer
    x = 57,041.39

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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.