Home / 156,944.20-235,416.30-145,424.20

Finding the Fourth Proportional to 156,944.20, 235,416.30 and 145,424.20

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Solution

The fourth proportional to 156,944.20, 235,416.30 and 145,424.20 is: 218,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,944.20 : 235,416.30 = 145,424.20 : x
  2. Step 2: Convert to fraction form
    156,944.20/235,416.30 = 145,424.20/x
  3. Step 3: Cross multiply
    156,944.20x = 235,416.30 × 145,424.20
  4. Step 4: Simplify right side
    156,944.20x = 34,235,227,094.46
  5. Step 5: Solve for x
    x = 34,235,227,094.46/156,944.20
  6. Step 6: Final answer
    x = 218,136.30

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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.