Home / 104,887.32-144,743.76-57,140.52

Finding the Fourth Proportional to 104,887.32, 144,743.76 and 57,140.52

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Solution

The fourth proportional to 104,887.32, 144,743.76 and 57,140.52 is: 78,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,887.32 : 144,743.76 = 57,140.52 : x
  2. Step 2: Convert to fraction form
    104,887.32/144,743.76 = 57,140.52/x
  3. Step 3: Cross multiply
    104,887.32x = 144,743.76 × 57,140.52
  4. Step 4: Simplify right side
    104,887.32x = 8,270,733,713.16
  5. Step 5: Solve for x
    x = 8,270,733,713.16/104,887.32
  6. Step 6: Final answer
    x = 78,853.51

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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.