Home / 145,764.59-201,154.25-82,122.89

Finding the Fourth Proportional to 145,764.59, 201,154.25 and 82,122.89

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Solution

The fourth proportional to 145,764.59, 201,154.25 and 82,122.89 is: 113,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,764.59 : 201,154.25 = 82,122.89 : x
  2. Step 2: Convert to fraction form
    145,764.59/201,154.25 = 82,122.89/x
  3. Step 3: Cross multiply
    145,764.59x = 201,154.25 × 82,122.89
  4. Step 4: Simplify right side
    145,764.59x = 16,519,367,545.32
  5. Step 5: Solve for x
    x = 16,519,367,545.32/145,764.59
  6. Step 6: Final answer
    x = 113,329.09

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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.