Home / 86,856.51-130,307.22-50,863.36

Finding the Fourth Proportional to 86,856.51, 130,307.22 and 50,863.36

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Solution

The fourth proportional to 86,856.51, 130,307.22 and 50,863.36 is: 76,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,856.51 : 130,307.22 = 50,863.36 : x
  2. Step 2: Convert to fraction form
    86,856.51/130,307.22 = 50,863.36/x
  3. Step 3: Cross multiply
    86,856.51x = 130,307.22 × 50,863.36
  4. Step 4: Simplify right side
    86,856.51x = 6,627,862,588.53
  5. Step 5: Solve for x
    x = 6,627,862,588.53/86,856.51
  6. Step 6: Final answer
    x = 76,308.19

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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.