Home / 124,820.70-172,283.52-71,137.56

Finding the Fourth Proportional to 124,820.70, 172,283.52 and 71,137.56

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Solution

The fourth proportional to 124,820.70, 172,283.52 and 71,137.56 is: 98,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,820.70 : 172,283.52 = 71,137.56 : x
  2. Step 2: Convert to fraction form
    124,820.70/172,283.52 = 71,137.56/x
  3. Step 3: Cross multiply
    124,820.70x = 172,283.52 × 71,137.56
  4. Step 4: Simplify right side
    124,820.70x = 12,255,829,241.01
  5. Step 5: Solve for x
    x = 12,255,829,241.01/124,820.70
  6. Step 6: Final answer
    x = 98,187.47

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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.