Home / 158,013.58-236,985.27-45,669.28

Finding the Fourth Proportional to 158,013.58, 236,985.27 and 45,669.28

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Solution

The fourth proportional to 158,013.58, 236,985.27 and 45,669.28 is: 68,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,013.58 : 236,985.27 = 45,669.28 : x
  2. Step 2: Convert to fraction form
    158,013.58/236,985.27 = 45,669.28/x
  3. Step 3: Cross multiply
    158,013.58x = 236,985.27 × 45,669.28
  4. Step 4: Simplify right side
    158,013.58x = 10,822,946,651.51
  5. Step 5: Solve for x
    x = 10,822,946,651.51/158,013.58
  6. Step 6: Final answer
    x = 68,493.78

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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.