Home / 126,291.07-174,338.36-83,295.86

Finding the Fourth Proportional to 126,291.07, 174,338.36 and 83,295.86

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Solution

The fourth proportional to 126,291.07, 174,338.36 and 83,295.86 is: 114,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,291.07 : 174,338.36 = 83,295.86 : x
  2. Step 2: Convert to fraction form
    126,291.07/174,338.36 = 83,295.86/x
  3. Step 3: Cross multiply
    126,291.07x = 174,338.36 × 83,295.86
  4. Step 4: Simplify right side
    126,291.07x = 14,521,663,210.71
  5. Step 5: Solve for x
    x = 14,521,663,210.71/126,291.07
  6. Step 6: Final answer
    x = 114,985.67

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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.