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Finding the Fourth Proportional to 185,254.88, 255,648.38 and 104,680.67

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Solution

The fourth proportional to 185,254.88, 255,648.38 and 104,680.67 is: 144,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,254.88 : 255,648.38 = 104,680.67 : x
  2. Step 2: Convert to fraction form
    185,254.88/255,648.38 = 104,680.67/x
  3. Step 3: Cross multiply
    185,254.88x = 255,648.38 × 104,680.67
  4. Step 4: Simplify right side
    185,254.88x = 26,761,443,702.81
  5. Step 5: Solve for x
    x = 26,761,443,702.81/185,254.88
  6. Step 6: Final answer
    x = 144,457.43

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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.