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Finding the Fourth Proportional to 130,309.58, 179,812 and 72,952.04

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Solution

The fourth proportional to 130,309.58, 179,812 and 72,952.04 is: 100,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,309.58 : 179,812 = 72,952.04 : x
  2. Step 2: Convert to fraction form
    130,309.58/179,812 = 72,952.04/x
  3. Step 3: Cross multiply
    130,309.58x = 179,812 × 72,952.04
  4. Step 4: Simplify right side
    130,309.58x = 13,117,652,216.48
  5. Step 5: Solve for x
    x = 13,117,652,216.48/130,309.58
  6. Step 6: Final answer
    x = 100,665.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.