Home / 215,465.81-297,297.54-124,816.34

Finding the Fourth Proportional to 215,465.81, 297,297.54 and 124,816.34

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Solution

The fourth proportional to 215,465.81, 297,297.54 and 124,816.34 is: 172,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,465.81 : 297,297.54 = 124,816.34 : x
  2. Step 2: Convert to fraction form
    215,465.81/297,297.54 = 124,816.34/x
  3. Step 3: Cross multiply
    215,465.81x = 297,297.54 × 124,816.34
  4. Step 4: Simplify right side
    215,465.81x = 37,107,591,577.05
  5. Step 5: Solve for x
    x = 37,107,591,577.05/215,465.81
  6. Step 6: Final answer
    x = 172,220.33

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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.