Home / 105,395.24-145,471.08-88,372.28

Finding the Fourth Proportional to 105,395.24, 145,471.08 and 88,372.28

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Solution

The fourth proportional to 105,395.24, 145,471.08 and 88,372.28 is: 121,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,395.24 : 145,471.08 = 88,372.28 : x
  2. Step 2: Convert to fraction form
    105,395.24/145,471.08 = 88,372.28/x
  3. Step 3: Cross multiply
    105,395.24x = 145,471.08 × 88,372.28
  4. Step 4: Simplify right side
    105,395.24x = 12,855,611,013.66
  5. Step 5: Solve for x
    x = 12,855,611,013.66/105,395.24
  6. Step 6: Final answer
    x = 121,975.25

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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.