Home / 151,011.24-208,372.56-83,031

Finding the Fourth Proportional to 151,011.24, 208,372.56 and 83,031

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Solution

The fourth proportional to 151,011.24, 208,372.56 and 83,031 is: 114,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,011.24 : 208,372.56 = 83,031 : x
  2. Step 2: Convert to fraction form
    151,011.24/208,372.56 = 83,031/x
  3. Step 3: Cross multiply
    151,011.24x = 208,372.56 × 83,031
  4. Step 4: Simplify right side
    151,011.24x = 17,301,382,029.36
  5. Step 5: Solve for x
    x = 17,301,382,029.36/151,011.24
  6. Step 6: Final answer
    x = 114,570.16

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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.