Home / 169,985.28-255,018.24-51,663.36

Finding the Fourth Proportional to 169,985.28, 255,018.24 and 51,663.36

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Solution

The fourth proportional to 169,985.28, 255,018.24 and 51,663.36 is: 77,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,985.28 : 255,018.24 = 51,663.36 : x
  2. Step 2: Convert to fraction form
    169,985.28/255,018.24 = 51,663.36/x
  3. Step 3: Cross multiply
    169,985.28x = 255,018.24 × 51,663.36
  4. Step 4: Simplify right side
    169,985.28x = 13,175,099,139.69
  5. Step 5: Solve for x
    x = 13,175,099,139.69/169,985.28
  6. Step 6: Final answer
    x = 77,507.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.