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Finding the Fourth Proportional to 159,140.77, 238,693.30 and 40,814.89

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Solution

The fourth proportional to 159,140.77, 238,693.30 and 40,814.89 is: 61,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,140.77 : 238,693.30 = 40,814.89 : x
  2. Step 2: Convert to fraction form
    159,140.77/238,693.30 = 40,814.89/x
  3. Step 3: Cross multiply
    159,140.77x = 238,693.30 × 40,814.89
  4. Step 4: Simplify right side
    159,140.77x = 9,742,240,783.24
  5. Step 5: Solve for x
    x = 9,742,240,783.24/159,140.77
  6. Step 6: Final answer
    x = 61,217.76

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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.