Home / 104,935.70-144,807.04-57,188.02

Finding the Fourth Proportional to 104,935.70, 144,807.04 and 57,188.02

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Solution

The fourth proportional to 104,935.70, 144,807.04 and 57,188.02 is: 78,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,935.70 : 144,807.04 = 57,188.02 : x
  2. Step 2: Convert to fraction form
    104,935.70/144,807.04 = 57,188.02/x
  3. Step 3: Cross multiply
    104,935.70x = 144,807.04 × 57,188.02
  4. Step 4: Simplify right side
    104,935.70x = 8,281,227,899.66
  5. Step 5: Solve for x
    x = 8,281,227,899.66/104,935.70
  6. Step 6: Final answer
    x = 78,917.16

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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.