Home / 158,941.92-219,341.34-87,323.43

Finding the Fourth Proportional to 158,941.92, 219,341.34 and 87,323.43

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Solution

The fourth proportional to 158,941.92, 219,341.34 and 87,323.43 is: 120,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,941.92 : 219,341.34 = 87,323.43 : x
  2. Step 2: Convert to fraction form
    158,941.92/219,341.34 = 87,323.43/x
  3. Step 3: Cross multiply
    158,941.92x = 219,341.34 × 87,323.43
  4. Step 4: Simplify right side
    158,941.92x = 19,153,638,149.60
  5. Step 5: Solve for x
    x = 19,153,638,149.60/158,941.92
  6. Step 6: Final answer
    x = 120,507.15

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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.