Home / 126,917.34-175,145.94-70,328.72

Finding the Fourth Proportional to 126,917.34, 175,145.94 and 70,328.72

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Solution

The fourth proportional to 126,917.34, 175,145.94 and 70,328.72 is: 97,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,917.34 : 175,145.94 = 70,328.72 : x
  2. Step 2: Convert to fraction form
    126,917.34/175,145.94 = 70,328.72/x
  3. Step 3: Cross multiply
    126,917.34x = 175,145.94 × 70,328.72
  4. Step 4: Simplify right side
    126,917.34x = 12,317,788,897.67
  5. Step 5: Solve for x
    x = 12,317,788,897.67/126,917.34
  6. Step 6: Final answer
    x = 97,053.63

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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.