Home / 122,578.40-169,157.18-68,862.27

Finding the Fourth Proportional to 122,578.40, 169,157.18 and 68,862.27

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Solution

The fourth proportional to 122,578.40, 169,157.18 and 68,862.27 is: 95,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,578.40 : 169,157.18 = 68,862.27 : x
  2. Step 2: Convert to fraction form
    122,578.40/169,157.18 = 68,862.27/x
  3. Step 3: Cross multiply
    122,578.40x = 169,157.18 × 68,862.27
  4. Step 4: Simplify right side
    122,578.40x = 11,648,547,057.29
  5. Step 5: Solve for x
    x = 11,648,547,057.29/122,578.40
  6. Step 6: Final answer
    x = 95,029.37

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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.