Home / 159,016.70-219,637.78-118,908.90

Finding the Fourth Proportional to 159,016.70, 219,637.78 and 118,908.90

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Solution

The fourth proportional to 159,016.70, 219,637.78 and 118,908.90 is: 164,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,016.70 : 219,637.78 = 118,908.90 : x
  2. Step 2: Convert to fraction form
    159,016.70/219,637.78 = 118,908.90/x
  3. Step 3: Cross multiply
    159,016.70x = 219,637.78 × 118,908.90
  4. Step 4: Simplify right side
    159,016.70x = 26,116,886,818.24
  5. Step 5: Solve for x
    x = 26,116,886,818.24/159,016.70
  6. Step 6: Final answer
    x = 164,239.90

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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.