Home / 155,883.51-215,120.24-84,263.37

Finding the Fourth Proportional to 155,883.51, 215,120.24 and 84,263.37

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Solution

The fourth proportional to 155,883.51, 215,120.24 and 84,263.37 is: 116,283.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,883.51 : 215,120.24 = 84,263.37 : x
  2. Step 2: Convert to fraction form
    155,883.51/215,120.24 = 84,263.37/x
  3. Step 3: Cross multiply
    155,883.51x = 215,120.24 × 84,263.37
  4. Step 4: Simplify right side
    155,883.51x = 18,126,755,956.29
  5. Step 5: Solve for x
    x = 18,126,755,956.29/155,883.51
  6. Step 6: Final answer
    x = 116,283.99

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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.