Home / 104,156.64-156,258.16-57,385.44

Finding the Fourth Proportional to 104,156.64, 156,258.16 and 57,385.44

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Solution

The fourth proportional to 104,156.64, 156,258.16 and 57,385.44 is: 86,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,156.64 : 156,258.16 = 57,385.44 : x
  2. Step 2: Convert to fraction form
    104,156.64/156,258.16 = 57,385.44/x
  3. Step 3: Cross multiply
    104,156.64x = 156,258.16 × 57,385.44
  4. Step 4: Simplify right side
    104,156.64x = 8,966,943,265.19
  5. Step 5: Solve for x
    x = 8,966,943,265.19/104,156.64
  6. Step 6: Final answer
    x = 86,090.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.