Home / 134,793.10-202,189.65-103,689.10

Finding the Fourth Proportional to 134,793.10, 202,189.65 and 103,689.10

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Solution

The fourth proportional to 134,793.10, 202,189.65 and 103,689.10 is: 155,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,793.10 : 202,189.65 = 103,689.10 : x
  2. Step 2: Convert to fraction form
    134,793.10/202,189.65 = 103,689.10/x
  3. Step 3: Cross multiply
    134,793.10x = 202,189.65 × 103,689.10
  4. Step 4: Simplify right side
    134,793.10x = 20,964,862,837.82
  5. Step 5: Solve for x
    x = 20,964,862,837.82/134,793.10
  6. Step 6: Final answer
    x = 155,533.65

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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.