Home / 130,003.60-195,005.40-115,488.40

Finding the Fourth Proportional to 130,003.60, 195,005.40 and 115,488.40

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Solution

The fourth proportional to 130,003.60, 195,005.40 and 115,488.40 is: 173,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,003.60 : 195,005.40 = 115,488.40 : x
  2. Step 2: Convert to fraction form
    130,003.60/195,005.40 = 115,488.40/x
  3. Step 3: Cross multiply
    130,003.60x = 195,005.40 × 115,488.40
  4. Step 4: Simplify right side
    130,003.60x = 22,520,861,637.36
  5. Step 5: Solve for x
    x = 22,520,861,637.36/130,003.60
  6. Step 6: Final answer
    x = 173,232.60

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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.