Home / 215,272.48-296,995.80-134,669.40

Finding the Fourth Proportional to 215,272.48, 296,995.80 and 134,669.40

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Solution

The fourth proportional to 215,272.48, 296,995.80 and 134,669.40 is: 185,793.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,272.48 : 296,995.80 = 134,669.40 : x
  2. Step 2: Convert to fraction form
    215,272.48/296,995.80 = 134,669.40/x
  3. Step 3: Cross multiply
    215,272.48x = 296,995.80 × 134,669.40
  4. Step 4: Simplify right side
    215,272.48x = 39,996,246,188.52
  5. Step 5: Solve for x
    x = 39,996,246,188.52/215,272.48
  6. Step 6: Final answer
    x = 185,793.59

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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.