Home / 163,424.49-225,552.57-136,157.36

Finding the Fourth Proportional to 163,424.49, 225,552.57 and 136,157.36

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Solution

The fourth proportional to 163,424.49, 225,552.57 and 136,157.36 is: 187,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,424.49 : 225,552.57 = 136,157.36 : x
  2. Step 2: Convert to fraction form
    163,424.49/225,552.57 = 136,157.36/x
  3. Step 3: Cross multiply
    163,424.49x = 225,552.57 × 136,157.36
  4. Step 4: Simplify right side
    163,424.49x = 30,710,640,834.06
  5. Step 5: Solve for x
    x = 30,710,640,834.06/163,424.49
  6. Step 6: Final answer
    x = 187,919.46

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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.