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Finding the Fourth Proportional to 159,014.61, 238,463.59 and 46,665.99

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Solution

The fourth proportional to 159,014.61, 238,463.59 and 46,665.99 is: 69,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,014.61 : 238,463.59 = 46,665.99 : x
  2. Step 2: Convert to fraction form
    159,014.61/238,463.59 = 46,665.99/x
  3. Step 3: Cross multiply
    159,014.61x = 238,463.59 × 46,665.99
  4. Step 4: Simplify right side
    159,014.61x = 11,128,139,506.30
  5. Step 5: Solve for x
    x = 11,128,139,506.30/159,014.61
  6. Step 6: Final answer
    x = 69,981.87

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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.