Home / 102,848.72-141,946.48-65,126.48

Finding the Fourth Proportional to 102,848.72, 141,946.48 and 65,126.48

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Solution

The fourth proportional to 102,848.72, 141,946.48 and 65,126.48 is: 89,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,848.72 : 141,946.48 = 65,126.48 : x
  2. Step 2: Convert to fraction form
    102,848.72/141,946.48 = 65,126.48/x
  3. Step 3: Cross multiply
    102,848.72x = 141,946.48 × 65,126.48
  4. Step 4: Simplify right side
    102,848.72x = 9,244,474,590.79
  5. Step 5: Solve for x
    x = 9,244,474,590.79/102,848.72
  6. Step 6: Final answer
    x = 89,884.20

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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.