Home / 243,283.24-335,727.70-135,855.16

Finding the Fourth Proportional to 243,283.24, 335,727.70 and 135,855.16

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Solution

The fourth proportional to 243,283.24, 335,727.70 and 135,855.16 is: 187,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,283.24 : 335,727.70 = 135,855.16 : x
  2. Step 2: Convert to fraction form
    243,283.24/335,727.70 = 135,855.16/x
  3. Step 3: Cross multiply
    243,283.24x = 335,727.70 × 135,855.16
  4. Step 4: Simplify right side
    243,283.24x = 45,610,340,399.93
  5. Step 5: Solve for x
    x = 45,610,340,399.93/243,283.24
  6. Step 6: Final answer
    x = 187,478.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.