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Finding the Fourth Proportional to 158,483.86, 237,638.31 and 65,055.22

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Solution

The fourth proportional to 158,483.86, 237,638.31 and 65,055.22 is: 97,546.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,483.86 : 237,638.31 = 65,055.22 : x
  2. Step 2: Convert to fraction form
    158,483.86/237,638.31 = 65,055.22/x
  3. Step 3: Cross multiply
    158,483.86x = 237,638.31 × 65,055.22
  4. Step 4: Simplify right side
    158,483.86x = 15,459,612,537.48
  5. Step 5: Solve for x
    x = 15,459,612,537.48/158,483.86
  6. Step 6: Final answer
    x = 97,546.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.