Home / 185,320.06-255,741.78-100,437.10

Finding the Fourth Proportional to 185,320.06, 255,741.78 and 100,437.10

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Solution

The fourth proportional to 185,320.06, 255,741.78 and 100,437.10 is: 138,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,320.06 : 255,741.78 = 100,437.10 : x
  2. Step 2: Convert to fraction form
    185,320.06/255,741.78 = 100,437.10/x
  3. Step 3: Cross multiply
    185,320.06x = 255,741.78 × 100,437.10
  4. Step 4: Simplify right side
    185,320.06x = 25,685,962,732.04
  5. Step 5: Solve for x
    x = 25,685,962,732.04/185,320.06
  6. Step 6: Final answer
    x = 138,603.25

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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.