Home / 147,037.60-202,911.12-109,367.20

Finding the Fourth Proportional to 147,037.60, 202,911.12 and 109,367.20

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Solution

The fourth proportional to 147,037.60, 202,911.12 and 109,367.20 is: 150,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,037.60 : 202,911.12 = 109,367.20 : x
  2. Step 2: Convert to fraction form
    147,037.60/202,911.12 = 109,367.20/x
  3. Step 3: Cross multiply
    147,037.60x = 202,911.12 × 109,367.20
  4. Step 4: Simplify right side
    147,037.60x = 22,191,821,043.26
  5. Step 5: Solve for x
    x = 22,191,821,043.26/147,037.60
  6. Step 6: Final answer
    x = 150,926.16

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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.