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Finding the Fourth Proportional to 163,294.85, 245,011.73 and 79,117.73

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Solution

The fourth proportional to 163,294.85, 245,011.73 and 79,117.73 is: 118,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,294.85 : 245,011.73 = 79,117.73 : x
  2. Step 2: Convert to fraction form
    163,294.85/245,011.73 = 79,117.73/x
  3. Step 3: Cross multiply
    163,294.85x = 245,011.73 × 79,117.73
  4. Step 4: Simplify right side
    163,294.85x = 19,384,770,280.33
  5. Step 5: Solve for x
    x = 19,384,770,280.33/163,294.85
  6. Step 6: Final answer
    x = 118,710.24

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1.5x scale

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.