Home / 163,810.72-245,715.90-51,500.75

Finding the Fourth Proportional to 163,810.72, 245,715.90 and 51,500.75

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Solution

The fourth proportional to 163,810.72, 245,715.90 and 51,500.75 is: 77,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,810.72 : 245,715.90 = 51,500.75 : x
  2. Step 2: Convert to fraction form
    163,810.72/245,715.90 = 51,500.75/x
  3. Step 3: Cross multiply
    163,810.72x = 245,715.90 × 51,500.75
  4. Step 4: Simplify right side
    163,810.72x = 12,654,553,136.93
  5. Step 5: Solve for x
    x = 12,654,553,136.93/163,810.72
  6. Step 6: Final answer
    x = 77,251.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.