Home / 185,435.34-255,898.35-100,551.93

Finding the Fourth Proportional to 185,435.34, 255,898.35 and 100,551.93

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Solution

The fourth proportional to 185,435.34, 255,898.35 and 100,551.93 is: 138,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,435.34 : 255,898.35 = 100,551.93 : x
  2. Step 2: Convert to fraction form
    185,435.34/255,898.35 = 100,551.93/x
  3. Step 3: Cross multiply
    185,435.34x = 255,898.35 × 100,551.93
  4. Step 4: Simplify right side
    185,435.34x = 25,731,072,976.32
  5. Step 5: Solve for x
    x = 25,731,072,976.32/185,435.34
  6. Step 6: Final answer
    x = 138,760.35

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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.