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Finding the Fourth Proportional to 175,710.84, 242,480.58 and 95,138.40

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Solution

The fourth proportional to 175,710.84, 242,480.58 and 95,138.40 is: 131,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,710.84 : 242,480.58 = 95,138.40 : x
  2. Step 2: Convert to fraction form
    175,710.84/242,480.58 = 95,138.40/x
  3. Step 3: Cross multiply
    175,710.84x = 242,480.58 × 95,138.40
  4. Step 4: Simplify right side
    175,710.84x = 23,069,214,412.27
  5. Step 5: Solve for x
    x = 23,069,214,412.27/175,710.84
  6. Step 6: Final answer
    x = 131,290.79

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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.