Home / 175,712.10-242,522.57-137,395.86

Finding the Fourth Proportional to 175,712.10, 242,522.57 and 137,395.86

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Solution

The fourth proportional to 175,712.10, 242,522.57 and 137,395.86 is: 189,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,712.10 : 242,522.57 = 137,395.86 : x
  2. Step 2: Convert to fraction form
    175,712.10/242,522.57 = 137,395.86/x
  3. Step 3: Cross multiply
    175,712.10x = 242,522.57 × 137,395.86
  4. Step 4: Simplify right side
    175,712.10x = 33,321,597,074.56
  5. Step 5: Solve for x
    x = 33,321,597,074.56/175,712.10
  6. Step 6: Final answer
    x = 189,637.46

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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.