Home / 124,890.75-172,349.37-68,302.26

Finding the Fourth Proportional to 124,890.75, 172,349.37 and 68,302.26

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Solution

The fourth proportional to 124,890.75, 172,349.37 and 68,302.26 is: 94,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,890.75 : 172,349.37 = 68,302.26 : x
  2. Step 2: Convert to fraction form
    124,890.75/172,349.37 = 68,302.26/x
  3. Step 3: Cross multiply
    124,890.75x = 172,349.37 × 68,302.26
  4. Step 4: Simplify right side
    124,890.75x = 11,771,851,480.58
  5. Step 5: Solve for x
    x = 11,771,851,480.58/124,890.75
  6. Step 6: Final answer
    x = 94,257.19

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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.