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Finding the Fourth Proportional to 142,770.86, 214,156.76 and 36,154.76

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Solution

The fourth proportional to 142,770.86, 214,156.76 and 36,154.76 is: 54,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,770.86 : 214,156.76 = 36,154.76 : x
  2. Step 2: Convert to fraction form
    142,770.86/214,156.76 = 36,154.76/x
  3. Step 3: Cross multiply
    142,770.86x = 214,156.76 × 36,154.76
  4. Step 4: Simplify right side
    142,770.86x = 7,742,786,260.18
  5. Step 5: Solve for x
    x = 7,742,786,260.18/142,770.86
  6. Step 6: Final answer
    x = 54,232.26

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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.