Home / 215,412.75-297,276.44-134,814.51

Finding the Fourth Proportional to 215,412.75, 297,276.44 and 134,814.51

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Solution

The fourth proportional to 215,412.75, 297,276.44 and 134,814.51 is: 186,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,412.75 : 297,276.44 = 134,814.51 : x
  2. Step 2: Convert to fraction form
    215,412.75/297,276.44 = 134,814.51/x
  3. Step 3: Cross multiply
    215,412.75x = 297,276.44 × 134,814.51
  4. Step 4: Simplify right side
    215,412.75x = 40,077,177,593.14
  5. Step 5: Solve for x
    x = 40,077,177,593.14/215,412.75
  6. Step 6: Final answer
    x = 186,048.31

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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.