Home / 248,285.25-342,633.65-135,108.81

Finding the Fourth Proportional to 248,285.25, 342,633.65 and 135,108.81

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Solution

The fourth proportional to 248,285.25, 342,633.65 and 135,108.81 is: 186,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,285.25 : 342,633.65 = 135,108.81 : x
  2. Step 2: Convert to fraction form
    248,285.25/342,633.65 = 135,108.81/x
  3. Step 3: Cross multiply
    248,285.25x = 342,633.65 × 135,108.81
  4. Step 4: Simplify right side
    248,285.25x = 46,292,824,041.91
  5. Step 5: Solve for x
    x = 46,292,824,041.91/248,285.25
  6. Step 6: Final answer
    x = 186,450.16

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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.