Home / 124,628.34-171,990.72-68,043.36

Finding the Fourth Proportional to 124,628.34, 171,990.72 and 68,043.36

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Solution

The fourth proportional to 124,628.34, 171,990.72 and 68,043.36 is: 93,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,628.34 : 171,990.72 = 68,043.36 : x
  2. Step 2: Convert to fraction form
    124,628.34/171,990.72 = 68,043.36/x
  3. Step 3: Cross multiply
    124,628.34x = 171,990.72 × 68,043.36
  4. Step 4: Simplify right side
    124,628.34x = 11,702,826,477.62
  5. Step 5: Solve for x
    x = 11,702,826,477.62/124,628.34
  6. Step 6: Final answer
    x = 93,901.81

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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.