Home / 215,089.64-296,851.38-130,208.12

Finding the Fourth Proportional to 215,089.64, 296,851.38 and 130,208.12

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Solution

The fourth proportional to 215,089.64, 296,851.38 and 130,208.12 is: 179,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,089.64 : 296,851.38 = 130,208.12 : x
  2. Step 2: Convert to fraction form
    215,089.64/296,851.38 = 130,208.12/x
  3. Step 3: Cross multiply
    215,089.64x = 296,851.38 × 130,208.12
  4. Step 4: Simplify right side
    215,089.64x = 38,652,460,109.21
  5. Step 5: Solve for x
    x = 38,652,460,109.21/215,089.64
  6. Step 6: Final answer
    x = 179,703.96

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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.