Home / 124,450.07-171,740.78-67,861.45

Finding the Fourth Proportional to 124,450.07, 171,740.78 and 67,861.45

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Solution

The fourth proportional to 124,450.07, 171,740.78 and 67,861.45 is: 93,648.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,450.07 : 171,740.78 = 67,861.45 : x
  2. Step 2: Convert to fraction form
    124,450.07/171,740.78 = 67,861.45/x
  3. Step 3: Cross multiply
    124,450.07x = 171,740.78 × 67,861.45
  4. Step 4: Simplify right side
    124,450.07x = 11,654,577,709.60
  5. Step 5: Solve for x
    x = 11,654,577,709.60/124,450.07
  6. Step 6: Final answer
    x = 93,648.62

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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.