Home / 155,507.24-214,606.88-87,528.59

Finding the Fourth Proportional to 155,507.24, 214,606.88 and 87,528.59

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Solution

The fourth proportional to 155,507.24, 214,606.88 and 87,528.59 is: 120,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,507.24 : 214,606.88 = 87,528.59 : x
  2. Step 2: Convert to fraction form
    155,507.24/214,606.88 = 87,528.59/x
  3. Step 3: Cross multiply
    155,507.24x = 214,606.88 × 87,528.59
  4. Step 4: Simplify right side
    155,507.24x = 18,784,236,100.02
  5. Step 5: Solve for x
    x = 18,784,236,100.02/155,507.24
  6. Step 6: Final answer
    x = 120,793.33

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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.