Home / 169,318.48-253,985.82-139,681.36

Finding the Fourth Proportional to 169,318.48, 253,985.82 and 139,681.36

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Solution

The fourth proportional to 169,318.48, 253,985.82 and 139,681.36 is: 209,528.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,318.48 : 253,985.82 = 139,681.36 : x
  2. Step 2: Convert to fraction form
    169,318.48/253,985.82 = 139,681.36/x
  3. Step 3: Cross multiply
    169,318.48x = 253,985.82 × 139,681.36
  4. Step 4: Simplify right side
    169,318.48x = 35,477,084,758.32
  5. Step 5: Solve for x
    x = 35,477,084,758.32/169,318.48
  6. Step 6: Final answer
    x = 209,528.72

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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.