Home / 86,927.10-130,390.65-82,844.70

Finding the Fourth Proportional to 86,927.10, 130,390.65 and 82,844.70

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Solution

The fourth proportional to 86,927.10, 130,390.65 and 82,844.70 is: 124,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,927.10 : 130,390.65 = 82,844.70 : x
  2. Step 2: Convert to fraction form
    86,927.10/130,390.65 = 82,844.70/x
  3. Step 3: Cross multiply
    86,927.10x = 130,390.65 × 82,844.70
  4. Step 4: Simplify right side
    86,927.10x = 10,802,174,282.06
  5. Step 5: Solve for x
    x = 10,802,174,282.06/86,927.10
  6. Step 6: Final answer
    x = 124,267.05

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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.