Home / 152,732.28-210,769.86-84,749.09

Finding the Fourth Proportional to 152,732.28, 210,769.86 and 84,749.09

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Solution

The fourth proportional to 152,732.28, 210,769.86 and 84,749.09 is: 116,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,732.28 : 210,769.86 = 84,749.09 : x
  2. Step 2: Convert to fraction form
    152,732.28/210,769.86 = 84,749.09/x
  3. Step 3: Cross multiply
    152,732.28x = 210,769.86 × 84,749.09
  4. Step 4: Simplify right side
    152,732.28x = 17,862,553,098.39
  5. Step 5: Solve for x
    x = 17,862,553,098.39/152,732.28
  6. Step 6: Final answer
    x = 116,953.36

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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.