Home / 151,397.04-208,933.56-84,333.36

Finding the Fourth Proportional to 151,397.04, 208,933.56 and 84,333.36

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Solution

The fourth proportional to 151,397.04, 208,933.56 and 84,333.36 is: 116,383.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,397.04 : 208,933.56 = 84,333.36 : x
  2. Step 2: Convert to fraction form
    151,397.04/208,933.56 = 84,333.36/x
  3. Step 3: Cross multiply
    151,397.04x = 208,933.56 × 84,333.36
  4. Step 4: Simplify right side
    151,397.04x = 17,620,069,131.56
  5. Step 5: Solve for x
    x = 17,620,069,131.56/151,397.04
  6. Step 6: Final answer
    x = 116,383.18

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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.