Home / 136,403.04-204,585.12-42,906.36

Finding the Fourth Proportional to 136,403.04, 204,585.12 and 42,906.36

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Solution

The fourth proportional to 136,403.04, 204,585.12 and 42,906.36 is: 64,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,403.04 : 204,585.12 = 42,906.36 : x
  2. Step 2: Convert to fraction form
    136,403.04/204,585.12 = 42,906.36/x
  3. Step 3: Cross multiply
    136,403.04x = 204,585.12 × 42,906.36
  4. Step 4: Simplify right side
    136,403.04x = 8,778,002,809.36
  5. Step 5: Solve for x
    x = 8,778,002,809.36/136,403.04
  6. Step 6: Final answer
    x = 64,353.43

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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.