Home / 113,261.18-156,283.21-62,276

Finding the Fourth Proportional to 113,261.18, 156,283.21 and 62,276

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Solution

The fourth proportional to 113,261.18, 156,283.21 and 62,276 is: 85,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,261.18 : 156,283.21 = 62,276 : x
  2. Step 2: Convert to fraction form
    113,261.18/156,283.21 = 62,276/x
  3. Step 3: Cross multiply
    113,261.18x = 156,283.21 × 62,276
  4. Step 4: Simplify right side
    113,261.18x = 9,732,693,185.96
  5. Step 5: Solve for x
    x = 9,732,693,185.96/113,261.18
  6. Step 6: Final answer
    x = 85,931.41

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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.