Home / 123,740.92-170,674.24-113,564.74

Finding the Fourth Proportional to 123,740.92, 170,674.24 and 113,564.74

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Solution

The fourth proportional to 123,740.92, 170,674.24 and 113,564.74 is: 156,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,740.92 : 170,674.24 = 113,564.74 : x
  2. Step 2: Convert to fraction form
    123,740.92/170,674.24 = 113,564.74/x
  3. Step 3: Cross multiply
    123,740.92x = 170,674.24 × 113,564.74
  4. Step 4: Simplify right side
    123,740.92x = 19,382,575,632.65
  5. Step 5: Solve for x
    x = 19,382,575,632.65/123,740.92
  6. Step 6: Final answer
    x = 156,638.37

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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.