Home / 156,701.20-235,051.80-149,875.60

Finding the Fourth Proportional to 156,701.20, 235,051.80 and 149,875.60

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Solution

The fourth proportional to 156,701.20, 235,051.80 and 149,875.60 is: 224,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,701.20 : 235,051.80 = 149,875.60 : x
  2. Step 2: Convert to fraction form
    156,701.20/235,051.80 = 149,875.60/x
  3. Step 3: Cross multiply
    156,701.20x = 235,051.80 × 149,875.60
  4. Step 4: Simplify right side
    156,701.20x = 35,228,529,556.08
  5. Step 5: Solve for x
    x = 35,228,529,556.08/156,701.20
  6. Step 6: Final answer
    x = 224,813.40

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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.