Home / 125,738.53-173,543.79-72,059.53

Finding the Fourth Proportional to 125,738.53, 173,543.79 and 72,059.53

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Solution

The fourth proportional to 125,738.53, 173,543.79 and 72,059.53 is: 99,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,738.53 : 173,543.79 = 72,059.53 : x
  2. Step 2: Convert to fraction form
    125,738.53/173,543.79 = 72,059.53/x
  3. Step 3: Cross multiply
    125,738.53x = 173,543.79 × 72,059.53
  4. Step 4: Simplify right side
    125,738.53x = 12,505,483,941.82
  5. Step 5: Solve for x
    x = 12,505,483,941.82/125,738.53
  6. Step 6: Final answer
    x = 99,456.26

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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.