Home / 195,653.20-293,285.40-90,288.40

Finding the Fourth Proportional to 195,653.20, 293,285.40 and 90,288.40

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Solution

The fourth proportional to 195,653.20, 293,285.40 and 90,288.40 is: 135,342.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,653.20 : 293,285.40 = 90,288.40 : x
  2. Step 2: Convert to fraction form
    195,653.20/293,285.40 = 90,288.40/x
  3. Step 3: Cross multiply
    195,653.20x = 293,285.40 × 90,288.40
  4. Step 4: Simplify right side
    195,653.20x = 26,480,269,509.36
  5. Step 5: Solve for x
    x = 26,480,269,509.36/195,653.20
  6. Step 6: Final answer
    x = 135,342.89

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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.