Home / 185,701.74-256,271.22-100,818.81

Finding the Fourth Proportional to 185,701.74, 256,271.22 and 100,818.81

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Solution

The fourth proportional to 185,701.74, 256,271.22 and 100,818.81 is: 139,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,701.74 : 256,271.22 = 100,818.81 : x
  2. Step 2: Convert to fraction form
    185,701.74/256,271.22 = 100,818.81/x
  3. Step 3: Cross multiply
    185,701.74x = 256,271.22 × 100,818.81
  4. Step 4: Simplify right side
    185,701.74x = 25,836,959,437.65
  5. Step 5: Solve for x
    x = 25,836,959,437.65/185,701.74
  6. Step 6: Final answer
    x = 139,131.49

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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.