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Finding the Fourth Proportional to 162,347.48, 223,894.48 and 101,923.76

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Solution

The fourth proportional to 162,347.48, 223,894.48 and 101,923.76 is: 140,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,347.48 : 223,894.48 = 101,923.76 : x
  2. Step 2: Convert to fraction form
    162,347.48/223,894.48 = 101,923.76/x
  3. Step 3: Cross multiply
    162,347.48x = 223,894.48 × 101,923.76
  4. Step 4: Simplify right side
    162,347.48x = 22,820,165,615.75
  5. Step 5: Solve for x
    x = 22,820,165,615.75/162,347.48
  6. Step 6: Final answer
    x = 140,563.72

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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.