Home / 144,330.23-215,438.45-127,286.39

Finding the Fourth Proportional to 144,330.23, 215,438.45 and 127,286.39

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Solution

The fourth proportional to 144,330.23, 215,438.45 and 127,286.39 is: 189,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,330.23 : 215,438.45 = 127,286.39 : x
  2. Step 2: Convert to fraction form
    144,330.23/215,438.45 = 127,286.39/x
  3. Step 3: Cross multiply
    144,330.23x = 215,438.45 × 127,286.39
  4. Step 4: Simplify right side
    144,330.23x = 27,422,381,931.26
  5. Step 5: Solve for x
    x = 27,422,381,931.26/144,330.23
  6. Step 6: Final answer
    x = 189,997.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.