Home / 130,448.60-180,023.52-73,090.32

Finding the Fourth Proportional to 130,448.60, 180,023.52 and 73,090.32

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Solution

The fourth proportional to 130,448.60, 180,023.52 and 73,090.32 is: 100,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,448.60 : 180,023.52 = 73,090.32 : x
  2. Step 2: Convert to fraction form
    130,448.60/180,023.52 = 73,090.32/x
  3. Step 3: Cross multiply
    130,448.60x = 180,023.52 × 73,090.32
  4. Step 4: Simplify right side
    130,448.60x = 13,157,976,684.33
  5. Step 5: Solve for x
    x = 13,157,976,684.33/130,448.60
  6. Step 6: Final answer
    x = 100,867.14

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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.