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Finding the Fourth Proportional to 159,804.77, 239,746.16 and 53,188.52

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Solution

The fourth proportional to 159,804.77, 239,746.16 and 53,188.52 is: 79,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,804.77 : 239,746.16 = 53,188.52 : x
  2. Step 2: Convert to fraction form
    159,804.77/239,746.16 = 53,188.52/x
  3. Step 3: Cross multiply
    159,804.77x = 239,746.16 × 53,188.52
  4. Step 4: Simplify right side
    159,804.77x = 12,751,742,360.32
  5. Step 5: Solve for x
    x = 12,751,742,360.32/159,804.77
  6. Step 6: Final answer
    x = 79,795.76

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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.