Home / 159,304.37-219,838.29-87,682.85

Finding the Fourth Proportional to 159,304.37, 219,838.29 and 87,682.85

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Solution

The fourth proportional to 159,304.37, 219,838.29 and 87,682.85 is: 121,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,304.37 : 219,838.29 = 87,682.85 : x
  2. Step 2: Convert to fraction form
    159,304.37/219,838.29 = 87,682.85/x
  3. Step 3: Cross multiply
    159,304.37x = 219,838.29 × 87,682.85
  4. Step 4: Simplify right side
    159,304.37x = 19,276,046,707.14
  5. Step 5: Solve for x
    x = 19,276,046,707.14/159,304.37
  6. Step 6: Final answer
    x = 121,001.37

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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.