Home / 130,905.28-196,365.12-42,152.32

Finding the Fourth Proportional to 130,905.28, 196,365.12 and 42,152.32

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Solution

The fourth proportional to 130,905.28, 196,365.12 and 42,152.32 is: 63,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,905.28 : 196,365.12 = 42,152.32 : x
  2. Step 2: Convert to fraction form
    130,905.28/196,365.12 = 42,152.32/x
  3. Step 3: Cross multiply
    130,905.28x = 196,365.12 × 42,152.32
  4. Step 4: Simplify right side
    130,905.28x = 8,277,245,375.08
  5. Step 5: Solve for x
    x = 8,277,245,375.08/130,905.28
  6. Step 6: Final answer
    x = 63,230.80

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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.