Home / 130,212.72-195,319.08-123,564.24

Finding the Fourth Proportional to 130,212.72, 195,319.08 and 123,564.24

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Solution

The fourth proportional to 130,212.72, 195,319.08 and 123,564.24 is: 185,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,212.72 : 195,319.08 = 123,564.24 : x
  2. Step 2: Convert to fraction form
    130,212.72/195,319.08 = 123,564.24/x
  3. Step 3: Cross multiply
    130,212.72x = 195,319.08 × 123,564.24
  4. Step 4: Simplify right side
    130,212.72x = 24,134,453,677.70
  5. Step 5: Solve for x
    x = 24,134,453,677.70/130,212.72
  6. Step 6: Final answer
    x = 185,346.36

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1.5x scale

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.