Home / 248,191.92-342,503.28-135,015.12

Finding the Fourth Proportional to 248,191.92, 342,503.28 and 135,015.12

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Solution

The fourth proportional to 248,191.92, 342,503.28 and 135,015.12 is: 186,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,191.92 : 342,503.28 = 135,015.12 : x
  2. Step 2: Convert to fraction form
    248,191.92/342,503.28 = 135,015.12/x
  3. Step 3: Cross multiply
    248,191.92x = 342,503.28 × 135,015.12
  4. Step 4: Simplify right side
    248,191.92x = 46,243,121,449.59
  5. Step 5: Solve for x
    x = 46,243,121,449.59/248,191.92
  6. Step 6: Final answer
    x = 186,320.01

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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.