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Finding the Fourth Proportional to 159,032.07, 219,467.07 and 87,411.87

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Solution

The fourth proportional to 159,032.07, 219,467.07 and 87,411.87 is: 120,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,032.07 : 219,467.07 = 87,411.87 : x
  2. Step 2: Convert to fraction form
    159,032.07/219,467.07 = 87,411.87/x
  3. Step 3: Cross multiply
    159,032.07x = 219,467.07 × 87,411.87
  4. Step 4: Simplify right side
    159,032.07x = 19,184,026,992.12
  5. Step 5: Solve for x
    x = 19,184,026,992.12/159,032.07
  6. Step 6: Final answer
    x = 120,629.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.