Home / 130,500.09-180,452.61-103,595.94

Finding the Fourth Proportional to 130,500.09, 180,452.61 and 103,595.94

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Solution

The fourth proportional to 130,500.09, 180,452.61 and 103,595.94 is: 143,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,500.09 : 180,452.61 = 103,595.94 : x
  2. Step 2: Convert to fraction form
    130,500.09/180,452.61 = 103,595.94/x
  3. Step 3: Cross multiply
    130,500.09x = 180,452.61 × 103,595.94
  4. Step 4: Simplify right side
    130,500.09x = 18,694,157,758.40
  5. Step 5: Solve for x
    x = 18,694,157,758.40/130,500.09
  6. Step 6: Final answer
    x = 143,250.15

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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.