Home / 84,932.72-127,399.08-38,130.92

Finding the Fourth Proportional to 84,932.72, 127,399.08 and 38,130.92

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Solution

The fourth proportional to 84,932.72, 127,399.08 and 38,130.92 is: 57,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,932.72 : 127,399.08 = 38,130.92 : x
  2. Step 2: Convert to fraction form
    84,932.72/127,399.08 = 38,130.92/x
  3. Step 3: Cross multiply
    84,932.72x = 127,399.08 × 38,130.92
  4. Step 4: Simplify right side
    84,932.72x = 4,857,844,127.55
  5. Step 5: Solve for x
    x = 4,857,844,127.55/84,932.72
  6. Step 6: Final answer
    x = 57,196.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.