Home / 116,120.76-160,252.36-68,389.50

Finding the Fourth Proportional to 116,120.76, 160,252.36 and 68,389.50

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Solution

The fourth proportional to 116,120.76, 160,252.36 and 68,389.50 is: 94,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,120.76 : 160,252.36 = 68,389.50 : x
  2. Step 2: Convert to fraction form
    116,120.76/160,252.36 = 68,389.50/x
  3. Step 3: Cross multiply
    116,120.76x = 160,252.36 × 68,389.50
  4. Step 4: Simplify right side
    116,120.76x = 10,959,578,774.22
  5. Step 5: Solve for x
    x = 10,959,578,774.22/116,120.76
  6. Step 6: Final answer
    x = 94,380.87

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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.