Home / 119,725.71-165,222.63-66,012.86

Finding the Fourth Proportional to 119,725.71, 165,222.63 and 66,012.86

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Solution

The fourth proportional to 119,725.71, 165,222.63 and 66,012.86 is: 91,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,725.71 : 165,222.63 = 66,012.86 : x
  2. Step 2: Convert to fraction form
    119,725.71/165,222.63 = 66,012.86/x
  3. Step 3: Cross multiply
    119,725.71x = 165,222.63 × 66,012.86
  4. Step 4: Simplify right side
    119,725.71x = 10,906,817,516.91
  5. Step 5: Solve for x
    x = 10,906,817,516.91/119,725.71
  6. Step 6: Final answer
    x = 91,098.37

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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.