Home / 113,165.40-156,171.62-62,181.31

Finding the Fourth Proportional to 113,165.40, 156,171.62 and 62,181.31

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Solution

The fourth proportional to 113,165.40, 156,171.62 and 62,181.31 is: 85,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,165.40 : 156,171.62 = 62,181.31 : x
  2. Step 2: Convert to fraction form
    113,165.40/156,171.62 = 62,181.31/x
  3. Step 3: Cross multiply
    113,165.40x = 156,171.62 × 62,181.31
  4. Step 4: Simplify right side
    113,165.40x = 9,710,955,579.77
  5. Step 5: Solve for x
    x = 9,710,955,579.77/113,165.40
  6. Step 6: Final answer
    x = 85,812.05

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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.