Home / 124,097.10-186,145.65-112,433.10

Finding the Fourth Proportional to 124,097.10, 186,145.65 and 112,433.10

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Solution

The fourth proportional to 124,097.10, 186,145.65 and 112,433.10 is: 168,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,097.10 : 186,145.65 = 112,433.10 : x
  2. Step 2: Convert to fraction form
    124,097.10/186,145.65 = 112,433.10/x
  3. Step 3: Cross multiply
    124,097.10x = 186,145.65 × 112,433.10
  4. Step 4: Simplify right side
    124,097.10x = 20,928,932,481.02
  5. Step 5: Solve for x
    x = 20,928,932,481.02/124,097.10
  6. Step 6: Final answer
    x = 168,649.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.