Home / 113,395.12-156,491.40-63,095.20

Finding the Fourth Proportional to 113,395.12, 156,491.40 and 63,095.20

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Solution

The fourth proportional to 113,395.12, 156,491.40 and 63,095.20 is: 87,074.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,395.12 : 156,491.40 = 63,095.20 : x
  2. Step 2: Convert to fraction form
    113,395.12/156,491.40 = 63,095.20/x
  3. Step 3: Cross multiply
    113,395.12x = 156,491.40 × 63,095.20
  4. Step 4: Simplify right side
    113,395.12x = 9,873,856,181.28
  5. Step 5: Solve for x
    x = 9,873,856,181.28/113,395.12
  6. Step 6: Final answer
    x = 87,074.79

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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.