Home / 156,975.78-235,405.35-51,766.50

Finding the Fourth Proportional to 156,975.78, 235,405.35 and 51,766.50

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Solution

The fourth proportional to 156,975.78, 235,405.35 and 51,766.50 is: 77,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975.78 : 235,405.35 = 51,766.50 : x
  2. Step 2: Convert to fraction form
    156,975.78/235,405.35 = 51,766.50/x
  3. Step 3: Cross multiply
    156,975.78x = 235,405.35 × 51,766.50
  4. Step 4: Simplify right side
    156,975.78x = 12,186,111,050.78
  5. Step 5: Solve for x
    x = 12,186,111,050.78/156,975.78
  6. Step 6: Final answer
    x = 77,630.52

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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.