Home / 134,776.82-186,051.78-87,053.45

Finding the Fourth Proportional to 134,776.82, 186,051.78 and 87,053.45

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Solution

The fourth proportional to 134,776.82, 186,051.78 and 87,053.45 is: 120,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,776.82 : 186,051.78 = 87,053.45 : x
  2. Step 2: Convert to fraction form
    134,776.82/186,051.78 = 87,053.45/x
  3. Step 3: Cross multiply
    134,776.82x = 186,051.78 × 87,053.45
  4. Step 4: Simplify right side
    134,776.82x = 16,196,448,397.38
  5. Step 5: Solve for x
    x = 16,196,448,397.38/134,776.82
  6. Step 6: Final answer
    x = 120,172.36

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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.