Home / 104,979.54-157,437-30,079.61

Finding the Fourth Proportional to 104,979.54, 157,437 and 30,079.61

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Solution

The fourth proportional to 104,979.54, 157,437 and 30,079.61 is: 45,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,979.54 : 157,437 = 30,079.61 : x
  2. Step 2: Convert to fraction form
    104,979.54/157,437 = 30,079.61/x
  3. Step 3: Cross multiply
    104,979.54x = 157,437 × 30,079.61
  4. Step 4: Simplify right side
    104,979.54x = 4,735,643,559.57
  5. Step 5: Solve for x
    x = 4,735,643,559.57/104,979.54
  6. Step 6: Final answer
    x = 45,110.16

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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.