Home / 84,151.86-116,126.37-52,313.46

Finding the Fourth Proportional to 84,151.86, 116,126.37 and 52,313.46

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Solution

The fourth proportional to 84,151.86, 116,126.37 and 52,313.46 is: 72,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,151.86 : 116,126.37 = 52,313.46 : x
  2. Step 2: Convert to fraction form
    84,151.86/116,126.37 = 52,313.46/x
  3. Step 3: Cross multiply
    84,151.86x = 116,126.37 × 52,313.46
  4. Step 4: Simplify right side
    84,151.86x = 6,074,972,211.94
  5. Step 5: Solve for x
    x = 6,074,972,211.94/84,151.86
  6. Step 6: Final answer
    x = 72,190.59

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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.