Home / 166,858.32-230,296.50-130,487.70

Finding the Fourth Proportional to 166,858.32, 230,296.50 and 130,487.70

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Solution

The fourth proportional to 166,858.32, 230,296.50 and 130,487.70 is: 180,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,858.32 : 230,296.50 = 130,487.70 : x
  2. Step 2: Convert to fraction form
    166,858.32/230,296.50 = 130,487.70/x
  3. Step 3: Cross multiply
    166,858.32x = 230,296.50 × 130,487.70
  4. Step 4: Simplify right side
    166,858.32x = 30,050,860,603.05
  5. Step 5: Solve for x
    x = 30,050,860,603.05/166,858.32
  6. Step 6: Final answer
    x = 180,098.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.