Home / 126,324.37-174,356.95-83,311.65

Finding the Fourth Proportional to 126,324.37, 174,356.95 and 83,311.65

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Solution

The fourth proportional to 126,324.37, 174,356.95 and 83,311.65 is: 114,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,324.37 : 174,356.95 = 83,311.65 : x
  2. Step 2: Convert to fraction form
    126,324.37/174,356.95 = 83,311.65/x
  3. Step 3: Cross multiply
    126,324.37x = 174,356.95 × 83,311.65
  4. Step 4: Simplify right side
    126,324.37x = 14,525,964,985.19
  5. Step 5: Solve for x
    x = 14,525,964,985.19/126,324.37
  6. Step 6: Final answer
    x = 114,989.41

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1.5x scale

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.