Home / 135,465.82-187,033.23-84,499.00

Finding the Fourth Proportional to 135,465.82, 187,033.23 and 84,499.00

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Solution

The fourth proportional to 135,465.82, 187,033.23 and 84,499.00 is: 116,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,465.82 : 187,033.23 = 84,499.00 : x
  2. Step 2: Convert to fraction form
    135,465.82/187,033.23 = 84,499.00/x
  3. Step 3: Cross multiply
    135,465.82x = 187,033.23 × 84,499.00
  4. Step 4: Simplify right side
    135,465.82x = 15,804,119,966.60
  5. Step 5: Solve for x
    x = 15,804,119,966.60/135,465.82
  6. Step 6: Final answer
    x = 116,665.00

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1.5x scale

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.