Home / 112,948.70-169,438.77-38,090.25

Finding the Fourth Proportional to 112,948.70, 169,438.77 and 38,090.25

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Solution

The fourth proportional to 112,948.70, 169,438.77 and 38,090.25 is: 57,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,948.70 : 169,438.77 = 38,090.25 : x
  2. Step 2: Convert to fraction form
    112,948.70/169,438.77 = 38,090.25/x
  3. Step 3: Cross multiply
    112,948.70x = 169,438.77 × 38,090.25
  4. Step 4: Simplify right side
    112,948.70x = 6,453,965,108.99
  5. Step 5: Solve for x
    x = 6,453,965,108.99/112,948.70
  6. Step 6: Final answer
    x = 57,140.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.