Home / 152,725.38-210,760.97-89,050.88

Finding the Fourth Proportional to 152,725.38, 210,760.97 and 89,050.88

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Solution

The fourth proportional to 152,725.38, 210,760.97 and 89,050.88 is: 122,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,725.38 : 210,760.97 = 89,050.88 : x
  2. Step 2: Convert to fraction form
    152,725.38/210,760.97 = 89,050.88/x
  3. Step 3: Cross multiply
    152,725.38x = 210,760.97 × 89,050.88
  4. Step 4: Simplify right side
    152,725.38x = 18,768,448,349.09
  5. Step 5: Solve for x
    x = 18,768,448,349.09/152,725.38
  6. Step 6: Final answer
    x = 122,890.17

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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.