Home / 129,320.17-178,543.82-88,552.51

Finding the Fourth Proportional to 129,320.17, 178,543.82 and 88,552.51

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Solution

The fourth proportional to 129,320.17, 178,543.82 and 88,552.51 is: 122,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,320.17 : 178,543.82 = 88,552.51 : x
  2. Step 2: Convert to fraction form
    129,320.17/178,543.82 = 88,552.51/x
  3. Step 3: Cross multiply
    129,320.17x = 178,543.82 × 88,552.51
  4. Step 4: Simplify right side
    129,320.17x = 15,810,503,181.01
  5. Step 5: Solve for x
    x = 15,810,503,181.01/129,320.17
  6. Step 6: Final answer
    x = 122,258.60

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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.