Home / 156,989.40-235,484.10-109,750.20

Finding the Fourth Proportional to 156,989.40, 235,484.10 and 109,750.20

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Solution

The fourth proportional to 156,989.40, 235,484.10 and 109,750.20 is: 164,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,989.40 : 235,484.10 = 109,750.20 : x
  2. Step 2: Convert to fraction form
    156,989.40/235,484.10 = 109,750.20/x
  3. Step 3: Cross multiply
    156,989.40x = 235,484.10 × 109,750.20
  4. Step 4: Simplify right side
    156,989.40x = 25,844,427,071.82
  5. Step 5: Solve for x
    x = 25,844,427,071.82/156,989.40
  6. Step 6: Final answer
    x = 164,625.30

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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.