Home / 247,990.15-342,216.88-134,812.90

Finding the Fourth Proportional to 247,990.15, 342,216.88 and 134,812.90

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Solution

The fourth proportional to 247,990.15, 342,216.88 and 134,812.90 is: 186,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,990.15 : 342,216.88 = 134,812.90 : x
  2. Step 2: Convert to fraction form
    247,990.15/342,216.88 = 134,812.90/x
  3. Step 3: Cross multiply
    247,990.15x = 342,216.88 × 134,812.90
  4. Step 4: Simplify right side
    247,990.15x = 46,135,250,021.75
  5. Step 5: Solve for x
    x = 46,135,250,021.75/247,990.15
  6. Step 6: Final answer
    x = 186,036.62

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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.