Home / 135,995.77-187,615.95-84,919.83

Finding the Fourth Proportional to 135,995.77, 187,615.95 and 84,919.83

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Solution

The fourth proportional to 135,995.77, 187,615.95 and 84,919.83 is: 117,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,995.77 : 187,615.95 = 84,919.83 : x
  2. Step 2: Convert to fraction form
    135,995.77/187,615.95 = 84,919.83/x
  3. Step 3: Cross multiply
    135,995.77x = 187,615.95 × 84,919.83
  4. Step 4: Simplify right side
    135,995.77x = 15,932,314,068.28
  5. Step 5: Solve for x
    x = 15,932,314,068.28/135,995.77
  6. Step 6: Final answer
    x = 117,153.01

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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.