Home / 136,288.92-204,345.90-89,487.12

Finding the Fourth Proportional to 136,288.92, 204,345.90 and 89,487.12

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Solution

The fourth proportional to 136,288.92, 204,345.90 and 89,487.12 is: 134,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,288.92 : 204,345.90 = 89,487.12 : x
  2. Step 2: Convert to fraction form
    136,288.92/204,345.90 = 89,487.12/x
  3. Step 3: Cross multiply
    136,288.92x = 204,345.90 × 89,487.12
  4. Step 4: Simplify right side
    136,288.92x = 18,286,326,074.81
  5. Step 5: Solve for x
    x = 18,286,326,074.81/136,288.92
  6. Step 6: Final answer
    x = 134,173.24

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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.