Home / 215,088.27-296,895.65-130,205.36

Finding the Fourth Proportional to 215,088.27, 296,895.65 and 130,205.36

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Solution

The fourth proportional to 215,088.27, 296,895.65 and 130,205.36 is: 179,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,088.27 : 296,895.65 = 130,205.36 : x
  2. Step 2: Convert to fraction form
    215,088.27/296,895.65 = 130,205.36/x
  3. Step 3: Cross multiply
    215,088.27x = 296,895.65 × 130,205.36
  4. Step 4: Simplify right side
    215,088.27x = 38,657,404,990.68
  5. Step 5: Solve for x
    x = 38,657,404,990.68/215,088.27
  6. Step 6: Final answer
    x = 179,728.09

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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.