Home / 248,730.75-343,250.87-135,555.93

Finding the Fourth Proportional to 248,730.75, 343,250.87 and 135,555.93

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Solution

The fourth proportional to 248,730.75, 343,250.87 and 135,555.93 is: 187,068.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,730.75 : 343,250.87 = 135,555.93 : x
  2. Step 2: Convert to fraction form
    248,730.75/343,250.87 = 135,555.93/x
  3. Step 3: Cross multiply
    248,730.75x = 343,250.87 × 135,555.93
  4. Step 4: Simplify right side
    248,730.75x = 46,529,690,906.16
  5. Step 5: Solve for x
    x = 46,529,690,906.16/248,730.75
  6. Step 6: Final answer
    x = 187,068.51

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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.