Home / 124,207.75-171,407.10-67,619.53

Finding the Fourth Proportional to 124,207.75, 171,407.10 and 67,619.53

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Solution

The fourth proportional to 124,207.75, 171,407.10 and 67,619.53 is: 93,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,207.75 : 171,407.10 = 67,619.53 : x
  2. Step 2: Convert to fraction form
    124,207.75/171,407.10 = 67,619.53/x
  3. Step 3: Cross multiply
    124,207.75x = 171,407.10 × 67,619.53
  4. Step 4: Simplify right side
    124,207.75x = 11,590,467,540.66
  5. Step 5: Solve for x
    x = 11,590,467,540.66/124,207.75
  6. Step 6: Final answer
    x = 93,315.17

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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.