Home / 155,903.28-215,148.60-92,239.44

Finding the Fourth Proportional to 155,903.28, 215,148.60 and 92,239.44

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Solution

The fourth proportional to 155,903.28, 215,148.60 and 92,239.44 is: 127,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,903.28 : 215,148.60 = 92,239.44 : x
  2. Step 2: Convert to fraction form
    155,903.28/215,148.60 = 92,239.44/x
  3. Step 3: Cross multiply
    155,903.28x = 215,148.60 × 92,239.44
  4. Step 4: Simplify right side
    155,903.28x = 19,845,186,380.78
  5. Step 5: Solve for x
    x = 19,845,186,380.78/155,903.28
  6. Step 6: Final answer
    x = 127,291.65

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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.