Home / 104,983.14-157,319.10-86,395.26

Finding the Fourth Proportional to 104,983.14, 157,319.10 and 86,395.26

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Solution

The fourth proportional to 104,983.14, 157,319.10 and 86,395.26 is: 129,464.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,983.14 : 157,319.10 = 86,395.26 : x
  2. Step 2: Convert to fraction form
    104,983.14/157,319.10 = 86,395.26/x
  3. Step 3: Cross multiply
    104,983.14x = 157,319.10 × 86,395.26
  4. Step 4: Simplify right side
    104,983.14x = 13,591,624,547.47
  5. Step 5: Solve for x
    x = 13,591,624,547.47/104,983.14
  6. Step 6: Final answer
    x = 129,464.83

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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.