Home / 130,544.32-180,150.72-73,966.48

Finding the Fourth Proportional to 130,544.32, 180,150.72 and 73,966.48

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Solution

The fourth proportional to 130,544.32, 180,150.72 and 73,966.48 is: 102,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,544.32 : 180,150.72 = 73,966.48 : x
  2. Step 2: Convert to fraction form
    130,544.32/180,150.72 = 73,966.48/x
  3. Step 3: Cross multiply
    130,544.32x = 180,150.72 × 73,966.48
  4. Step 4: Simplify right side
    130,544.32x = 13,325,114,627.87
  5. Step 5: Solve for x
    x = 13,325,114,627.87/130,544.32
  6. Step 6: Final answer
    x = 102,073.49

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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.