Home / 215,768.06-297,637.98-135,055.44

Finding the Fourth Proportional to 215,768.06, 297,637.98 and 135,055.44

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Solution

The fourth proportional to 215,768.06, 297,637.98 and 135,055.44 is: 186,300.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,768.06 : 297,637.98 = 135,055.44 : x
  2. Step 2: Convert to fraction form
    215,768.06/297,637.98 = 135,055.44/x
  3. Step 3: Cross multiply
    215,768.06x = 297,637.98 × 135,055.44
  4. Step 4: Simplify right side
    215,768.06x = 40,197,628,349.61
  5. Step 5: Solve for x
    x = 40,197,628,349.61/215,768.06
  6. Step 6: Final answer
    x = 186,300.18

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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.