Home / 155,947.34-215,240.69-98,550.14

Finding the Fourth Proportional to 155,947.34, 215,240.69 and 98,550.14

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Solution

The fourth proportional to 155,947.34, 215,240.69 and 98,550.14 is: 136,020.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,947.34 : 215,240.69 = 98,550.14 : x
  2. Step 2: Convert to fraction form
    155,947.34/215,240.69 = 98,550.14/x
  3. Step 3: Cross multiply
    155,947.34x = 215,240.69 × 98,550.14
  4. Step 4: Simplify right side
    155,947.34x = 21,211,998,564.24
  5. Step 5: Solve for x
    x = 21,211,998,564.24/155,947.34
  6. Step 6: Final answer
    x = 136,020.27

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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.