Home / 130,435.46-180,005.38-73,077.20

Finding the Fourth Proportional to 130,435.46, 180,005.38 and 73,077.20

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Solution

The fourth proportional to 130,435.46, 180,005.38 and 73,077.20 is: 100,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,435.46 : 180,005.38 = 73,077.20 : x
  2. Step 2: Convert to fraction form
    130,435.46/180,005.38 = 73,077.20/x
  3. Step 3: Cross multiply
    130,435.46x = 180,005.38 × 73,077.20
  4. Step 4: Simplify right side
    130,435.46x = 13,154,288,072.62
  5. Step 5: Solve for x
    x = 13,154,288,072.62/130,435.46
  6. Step 6: Final answer
    x = 100,849.02

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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.