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Finding the Fourth Proportional to 174,615.90, 240,989.91 and 97,099.28

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Solution

The fourth proportional to 174,615.90, 240,989.91 and 97,099.28 is: 134,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,615.90 : 240,989.91 = 97,099.28 : x
  2. Step 2: Convert to fraction form
    174,615.90/240,989.91 = 97,099.28/x
  3. Step 3: Cross multiply
    174,615.90x = 240,989.91 × 97,099.28
  4. Step 4: Simplify right side
    174,615.90x = 23,399,945,543.32
  5. Step 5: Solve for x
    x = 23,399,945,543.32/174,615.90
  6. Step 6: Final answer
    x = 134,008.10

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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.