Home / 250,282.36-345,305.10-142,776.76

Finding the Fourth Proportional to 250,282.36, 345,305.10 and 142,776.76

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Solution

The fourth proportional to 250,282.36, 345,305.10 and 142,776.76 is: 196,983.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,282.36 : 345,305.10 = 142,776.76 : x
  2. Step 2: Convert to fraction form
    250,282.36/345,305.10 = 142,776.76/x
  3. Step 3: Cross multiply
    250,282.36x = 345,305.10 × 142,776.76
  4. Step 4: Simplify right side
    250,282.36x = 49,301,543,389.48
  5. Step 5: Solve for x
    x = 49,301,543,389.48/250,282.36
  6. Step 6: Final answer
    x = 196,983.69

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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.