Home / 113,746.60-156,981.54-85,016.44

Finding the Fourth Proportional to 113,746.60, 156,981.54 and 85,016.44

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Solution

The fourth proportional to 113,746.60, 156,981.54 and 85,016.44 is: 117,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,746.60 : 156,981.54 = 85,016.44 : x
  2. Step 2: Convert to fraction form
    113,746.60/156,981.54 = 85,016.44/x
  3. Step 3: Cross multiply
    113,746.60x = 156,981.54 × 85,016.44
  4. Step 4: Simplify right side
    113,746.60x = 13,346,011,676.52
  5. Step 5: Solve for x
    x = 13,346,011,676.52/113,746.60
  6. Step 6: Final answer
    x = 117,331.08

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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.