Home / 130,652.28-180,303.78-74,067.30

Finding the Fourth Proportional to 130,652.28, 180,303.78 and 74,067.30

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Solution

The fourth proportional to 130,652.28, 180,303.78 and 74,067.30 is: 102,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,652.28 : 180,303.78 = 74,067.30 : x
  2. Step 2: Convert to fraction form
    130,652.28/180,303.78 = 74,067.30/x
  3. Step 3: Cross multiply
    130,652.28x = 180,303.78 × 74,067.30
  4. Step 4: Simplify right side
    130,652.28x = 13,354,614,164.39
  5. Step 5: Solve for x
    x = 13,354,614,164.39/130,652.28
  6. Step 6: Final answer
    x = 102,214.93

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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.