Home / 151,445.88-208,996.74-83,465.30

Finding the Fourth Proportional to 151,445.88, 208,996.74 and 83,465.30

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Solution

The fourth proportional to 151,445.88, 208,996.74 and 83,465.30 is: 115,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,445.88 : 208,996.74 = 83,465.30 : x
  2. Step 2: Convert to fraction form
    151,445.88/208,996.74 = 83,465.30/x
  3. Step 3: Cross multiply
    151,445.88x = 208,996.74 × 83,465.30
  4. Step 4: Simplify right side
    151,445.88x = 17,443,976,125.61
  5. Step 5: Solve for x
    x = 17,443,976,125.61/151,445.88
  6. Step 6: Final answer
    x = 115,182.90

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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.