Home / 130,159.60-195,016.56-71,036.80

Finding the Fourth Proportional to 130,159.60, 195,016.56 and 71,036.80

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Solution

The fourth proportional to 130,159.60, 195,016.56 and 71,036.80 is: 106,433.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,159.60 : 195,016.56 = 71,036.80 : x
  2. Step 2: Convert to fraction form
    130,159.60/195,016.56 = 71,036.80/x
  3. Step 3: Cross multiply
    130,159.60x = 195,016.56 × 71,036.80
  4. Step 4: Simplify right side
    130,159.60x = 13,853,352,369.41
  5. Step 5: Solve for x
    x = 13,853,352,369.41/130,159.60
  6. Step 6: Final answer
    x = 106,433.58

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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.