Home / 100,623.08-150,934.62-30,502.40

Finding the Fourth Proportional to 100,623.08, 150,934.62 and 30,502.40

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Solution

The fourth proportional to 100,623.08, 150,934.62 and 30,502.40 is: 45,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,623.08 : 150,934.62 = 30,502.40 : x
  2. Step 2: Convert to fraction form
    100,623.08/150,934.62 = 30,502.40/x
  3. Step 3: Cross multiply
    100,623.08x = 150,934.62 × 30,502.40
  4. Step 4: Simplify right side
    100,623.08x = 4,603,868,153.09
  5. Step 5: Solve for x
    x = 4,603,868,153.09/100,623.08
  6. Step 6: Final answer
    x = 45,753.60

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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.