Home / 185,015.34-255,322.98-100,134.18

Finding the Fourth Proportional to 185,015.34, 255,322.98 and 100,134.18

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Solution

The fourth proportional to 185,015.34, 255,322.98 and 100,134.18 is: 138,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,015.34 : 255,322.98 = 100,134.18 : x
  2. Step 2: Convert to fraction form
    185,015.34/255,322.98 = 100,134.18/x
  3. Step 3: Cross multiply
    185,015.34x = 255,322.98 × 100,134.18
  4. Step 4: Simplify right side
    185,015.34x = 25,566,557,237.46
  5. Step 5: Solve for x
    x = 25,566,557,237.46/185,015.34
  6. Step 6: Final answer
    x = 138,186.15

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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.