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Finding the Fourth Proportional to 175,130, 241,679.40 and 95,642

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Solution

The fourth proportional to 175,130, 241,679.40 and 95,642 is: 131,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,130 : 241,679.40 = 95,642 : x
  2. Step 2: Convert to fraction form
    175,130/241,679.40 = 95,642/x
  3. Step 3: Cross multiply
    175,130x = 241,679.40 × 95,642
  4. Step 4: Simplify right side
    175,130x = 23,114,701,174.80
  5. Step 5: Solve for x
    x = 23,114,701,174.80/175,130
  6. Step 6: Final answer
    x = 131,985.96

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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.