Home / 185,160.40-255,521.36-100,277.46

Finding the Fourth Proportional to 185,160.40, 255,521.36 and 100,277.46

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Solution

The fourth proportional to 185,160.40, 255,521.36 and 100,277.46 is: 138,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,160.40 : 255,521.36 = 100,277.46 : x
  2. Step 2: Convert to fraction form
    185,160.40/255,521.36 = 100,277.46/x
  3. Step 3: Cross multiply
    185,160.40x = 255,521.36 × 100,277.46
  4. Step 4: Simplify right side
    185,160.40x = 25,623,032,956.55
  5. Step 5: Solve for x
    x = 25,623,032,956.55/185,160.40
  6. Step 6: Final answer
    x = 138,382.90

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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.