Home / 130,475.60-195,713.40-47,358.80

Finding the Fourth Proportional to 130,475.60, 195,713.40 and 47,358.80

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Solution

The fourth proportional to 130,475.60, 195,713.40 and 47,358.80 is: 71,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,475.60 : 195,713.40 = 47,358.80 : x
  2. Step 2: Convert to fraction form
    130,475.60/195,713.40 = 47,358.80/x
  3. Step 3: Cross multiply
    130,475.60x = 195,713.40 × 47,358.80
  4. Step 4: Simplify right side
    130,475.60x = 9,268,751,767.92
  5. Step 5: Solve for x
    x = 9,268,751,767.92/130,475.60
  6. Step 6: Final answer
    x = 71,038.20

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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.