Home / 125,443.43-173,111.20-68,083.88

Finding the Fourth Proportional to 125,443.43, 173,111.20 and 68,083.88

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Solution

The fourth proportional to 125,443.43, 173,111.20 and 68,083.88 is: 93,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,443.43 : 173,111.20 = 68,083.88 : x
  2. Step 2: Convert to fraction form
    125,443.43/173,111.20 = 68,083.88/x
  3. Step 3: Cross multiply
    125,443.43x = 173,111.20 × 68,083.88
  4. Step 4: Simplify right side
    125,443.43x = 11,786,082,430.02
  5. Step 5: Solve for x
    x = 11,786,082,430.02/125,443.43
  6. Step 6: Final answer
    x = 93,955.36

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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.