Home / 130,833.60-180,540.08-74,244.98

Finding the Fourth Proportional to 130,833.60, 180,540.08 and 74,244.98

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Solution

The fourth proportional to 130,833.60, 180,540.08 and 74,244.98 is: 102,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,833.60 : 180,540.08 = 74,244.98 : x
  2. Step 2: Convert to fraction form
    130,833.60/180,540.08 = 74,244.98/x
  3. Step 3: Cross multiply
    130,833.60x = 180,540.08 × 74,244.98
  4. Step 4: Simplify right side
    130,833.60x = 13,404,193,354.87
  5. Step 5: Solve for x
    x = 13,404,193,354.87/130,833.60
  6. Step 6: Final answer
    x = 102,452.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.