Home / 133,021.20-199,589.40-62,864.40

Finding the Fourth Proportional to 133,021.20, 199,589.40 and 62,864.40

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Solution

The fourth proportional to 133,021.20, 199,589.40 and 62,864.40 is: 94,323.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,021.20 : 199,589.40 = 62,864.40 : x
  2. Step 2: Convert to fraction form
    133,021.20/199,589.40 = 62,864.40/x
  3. Step 3: Cross multiply
    133,021.20x = 199,589.40 × 62,864.40
  4. Step 4: Simplify right side
    133,021.20x = 12,547,067,877.36
  5. Step 5: Solve for x
    x = 12,547,067,877.36/133,021.20
  6. Step 6: Final answer
    x = 94,323.82

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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.