Home / 116,139.10-160,275.09-68,383.66

Finding the Fourth Proportional to 116,139.10, 160,275.09 and 68,383.66

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Solution

The fourth proportional to 116,139.10, 160,275.09 and 68,383.66 is: 94,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,139.10 : 160,275.09 = 68,383.66 : x
  2. Step 2: Convert to fraction form
    116,139.10/160,275.09 = 68,383.66/x
  3. Step 3: Cross multiply
    116,139.10x = 160,275.09 × 68,383.66
  4. Step 4: Simplify right side
    116,139.10x = 10,960,197,261.03
  5. Step 5: Solve for x
    x = 10,960,197,261.03/116,139.10
  6. Step 6: Final answer
    x = 94,371.29

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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.