Home / 86,844.10-130,266.15-51,268.90

Finding the Fourth Proportional to 86,844.10, 130,266.15 and 51,268.90

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Solution

The fourth proportional to 86,844.10, 130,266.15 and 51,268.90 is: 76,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,844.10 : 130,266.15 = 51,268.90 : x
  2. Step 2: Convert to fraction form
    86,844.10/130,266.15 = 51,268.90/x
  3. Step 3: Cross multiply
    86,844.10x = 130,266.15 × 51,268.90
  4. Step 4: Simplify right side
    86,844.10x = 6,678,602,217.74
  5. Step 5: Solve for x
    x = 6,678,602,217.74/86,844.10
  6. Step 6: Final answer
    x = 76,903.35

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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.