Home / 151,031.28-208,415.16-83,046.96

Finding the Fourth Proportional to 151,031.28, 208,415.16 and 83,046.96

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Solution

The fourth proportional to 151,031.28, 208,415.16 and 83,046.96 is: 114,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,031.28 : 208,415.16 = 83,046.96 : x
  2. Step 2: Convert to fraction form
    151,031.28/208,415.16 = 83,046.96/x
  3. Step 3: Cross multiply
    151,031.28x = 208,415.16 × 83,046.96
  4. Step 4: Simplify right side
    151,031.28x = 17,308,245,455.91
  5. Step 5: Solve for x
    x = 17,308,245,455.91/151,031.28
  6. Step 6: Final answer
    x = 114,600.40

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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.