Home / 156,768.30-235,152.45-146,270.70

Finding the Fourth Proportional to 156,768.30, 235,152.45 and 146,270.70

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Solution

The fourth proportional to 156,768.30, 235,152.45 and 146,270.70 is: 219,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,768.30 : 235,152.45 = 146,270.70 : x
  2. Step 2: Convert to fraction form
    156,768.30/235,152.45 = 146,270.70/x
  3. Step 3: Cross multiply
    156,768.30x = 235,152.45 × 146,270.70
  4. Step 4: Simplify right side
    156,768.30x = 34,395,913,468.22
  5. Step 5: Solve for x
    x = 34,395,913,468.22/156,768.30
  6. Step 6: Final answer
    x = 219,406.05

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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.