Home / 105,341.74-145,372.22-57,595.09

Finding the Fourth Proportional to 105,341.74, 145,372.22 and 57,595.09

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Solution

The fourth proportional to 105,341.74, 145,372.22 and 57,595.09 is: 79,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,341.74 : 145,372.22 = 57,595.09 : x
  2. Step 2: Convert to fraction form
    105,341.74/145,372.22 = 57,595.09/x
  3. Step 3: Cross multiply
    105,341.74x = 145,372.22 × 57,595.09
  4. Step 4: Simplify right side
    105,341.74x = 8,372,725,442.99
  5. Step 5: Solve for x
    x = 8,372,725,442.99/105,341.74
  6. Step 6: Final answer
    x = 79,481.56

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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.