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Finding the Fourth Proportional to 159,386.42, 238,900.21 and 69,504.77

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Solution

The fourth proportional to 159,386.42, 238,900.21 and 69,504.77 is: 104,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,386.42 : 238,900.21 = 69,504.77 : x
  2. Step 2: Convert to fraction form
    159,386.42/238,900.21 = 69,504.77/x
  3. Step 3: Cross multiply
    159,386.42x = 238,900.21 × 69,504.77
  4. Step 4: Simplify right side
    159,386.42x = 16,604,702,606.98
  5. Step 5: Solve for x
    x = 16,604,702,606.98/159,386.42
  6. Step 6: Final answer
    x = 104,178.91

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1.5x scale

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.