Home / 151,429.88-208,977.55-84,366.20

Finding the Fourth Proportional to 151,429.88, 208,977.55 and 84,366.20

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Solution

The fourth proportional to 151,429.88, 208,977.55 and 84,366.20 is: 116,427.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,429.88 : 208,977.55 = 84,366.20 : x
  2. Step 2: Convert to fraction form
    151,429.88/208,977.55 = 84,366.20/x
  3. Step 3: Cross multiply
    151,429.88x = 208,977.55 × 84,366.20
  4. Step 4: Simplify right side
    151,429.88x = 17,630,640,523.01
  5. Step 5: Solve for x
    x = 17,630,640,523.01/151,429.88
  6. Step 6: Final answer
    x = 116,427.76

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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.